1913794845 has 32 divisors (see below), whose sum is σ = 3152893440. Its totient is φ = 990558720.

The previous prime is 1913794837. The next prime is 1913794853. The reversal of 1913794845 is 5484973191.

It is an interprime number because it is at equal distance from previous prime (1913794837) and next prime (1913794853).

It is not a de Polignac number, because 1913794845 - 2³ = 1913794837 is a prime.

It is a super-2 number, since 2×1913794845² = 7325221417497148050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222780 + ... + 231210.

It is an arithmetic number, because the mean of its divisors is an integer number (98527920).

Almost surely, 2^1913794845 is an apocalyptic number.

1913794845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1913794845 is a deficient number, since it is larger than the sum of its proper divisors (1239098595).

1913794845 is a wasteful number, since it uses less digits than its factorization.

1913794845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885.

The product of its digits is 1088640, while the sum is 51.

The square root of 1913794845 is about 43746.9409787702. The cubic root of 1913794845 is about 1241.5526087945.

The spelling of 1913794845 in words is "one billion, nine hundred thirteen million, seven hundred ninety-four thousand, eight hundred forty-five".