749890512396 has 18 divisors (see below), whose sum is σ = 1895556573092. Its totient is φ = 249963504120.

The previous prime is 749890512389. The next prime is 749890512431. The reversal of 749890512396 is 693215098947.

749890512396 is a `hidden beast` number, since 7 + 4 + 9 + 89 + 0 + 512 + 39 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10415145970 + ... + 10415146041.

It is a 1-persistent number, because it is pandigital, but 2⋅749890512396 = 1499781024792 is not.

Almost surely, 2^749890512396 is an apocalyptic number.

It is an amenable number.

749890512396 is an abundant number, since it is smaller than the sum of its proper divisors (1145666060696).

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

749890512396 is a wasteful number, since it uses less digits than its factorization.

749890512396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830292021 (or 20830292016 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 749890512396 in words is "seven hundred forty-nine billion, eight hundred ninety million, five hundred twelve thousand, three hundred ninety-six".