1900147863156 has 24 divisors (see below), whose sum is σ = 4499852652960. Its totient is φ = 623929148832.

The previous prime is 1900147863143. The next prime is 1900147863179. The reversal of 1900147863156 is 6513687410091.

It is a happy number.

It is a super-2 number, since 2×1900147863156² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900147863099 and 1900147863108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181683191 + ... + 1181684798.

It is an arithmetic number, because the mean of its divisors is an integer number (187493860540).

Almost surely, 2^{1900147863156} is an apocalyptic number.

It is an amenable number.

1900147863156 is an abundant number, since it is smaller than the sum of its proper divisors (2599704789804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1900147863156 is a wasteful number, since it uses less digits than its factorization.

1900147863156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363368063 (or 2363368061 counting only the distinct ones).

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

The spelling of 1900147863156 in words is "one trillion, nine hundred billion, one hundred forty-seven million, eight hundred sixty-three thousand, one hundred fifty-six".