1900046331864 has 24 divisors (see below), whose sum is σ = 5145958815660. Its totient is φ = 633348777264.

The previous prime is 1900046331851. The next prime is 1900046331907. The reversal of 1900046331864 is 4681336400091.

1900046331864 is a `hidden beast` number, since 1 + 9 + 0 + 0 + 0 + 4 + 633 + 1 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1900046331864² (a number of 25 digits) 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 (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13194766122 + ... + 13194766265.

Almost surely, 2^{1900046331864} is an apocalyptic number.

It is an amenable number.

1900046331864 is an abundant number, since it is smaller than the sum of its proper divisors (3245912483796).

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

1900046331864 is a wasteful number, since it uses less digits than its factorization.

1900046331864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389532399 (or 26389532392 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 1900046331864 in words is "one trillion, nine hundred billion, forty-six million, three hundred thirty-one thousand, eight hundred sixty-four".