1914972825 has 12 divisors (see below), whose sum is σ = 3166088528. Its totient is φ = 1021318800.

The previous prime is 1914972799. The next prime is 1914972947. The reversal of 1914972825 is 5282794191.

It is a happy number.

It is not a de Polignac number, because 1914972825 - 2¹⁰ = 1914971801 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 12766411 + ... + 12766560.

Almost surely, 2^1914972825 is an apocalyptic number.

1914972825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1914972825 is a deficient number, since it is larger than the sum of its proper divisors (1251115703).

1914972825 is a wasteful number, since it uses less digits than its factorization.

1914972825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25532984 (or 25532979 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 1914972825 is about 43760.4024775824. The cubic root of 1914972825 is about 1241.8072902506.

The spelling of 1914972825 in words is "one billion, nine hundred fourteen million, nine hundred seventy-two thousand, eight hundred twenty-five".