1863152063 has 4 divisors (see below), whose sum is σ = 1888674768. Its totient is φ = 1837629360.

The previous prime is 1863152029. The next prime is 1863152069. The reversal of 1863152063 is 3602513681.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1863152063 - 2¹⁴ = 1863135679 is a prime.

It is a super-2 number, since 2×1863152063² = 6942671219722311938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863152069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12761243 + ... + 12761388.

It is an arithmetic number, because the mean of its divisors is an integer number (472168692).

Almost surely, 2^1863152063 is an apocalyptic number.

1863152063 is a deficient number, since it is larger than the sum of its proper divisors (25522705).

1863152063 is an equidigital number, since it uses as much as digits as its factorization.

1863152063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522704.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1863152063 is about 43164.2451920568. The cubic root of 1863152063 is about 1230.5032560686.

The spelling of 1863152063 in words is "one billion, eight hundred sixty-three million, one hundred fifty-two thousand, sixty-three".