746464475021 has 4 divisors (see below), whose sum is σ = 746486089344. Its totient is φ = 746442860700.

The previous prime is 746464474999. The next prime is 746464475027. The reversal of 746464475021 is 120574464647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746464475021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746464475027) 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, 10755275 + ... + 10824456.

It is an arithmetic number, because the mean of its divisors is an integer number (186621522336).

Almost surely, 2^746464475021 is an apocalyptic number.

It is an amenable number.

746464475021 is a deficient number, since it is larger than the sum of its proper divisors (21614323).

746464475021 is a wasteful number, since it uses less digits than its factorization.

746464475021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21614322.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 746464475021 in words is "seven hundred forty-six billion, four hundred sixty-four million, four hundred seventy-five thousand, twenty-one".