748652453021 has 4 divisors (see below), whose sum is σ = 816711766944. Its totient is φ = 680593139100.

The previous prime is 748652452931. The next prime is 748652453027. The reversal of 748652453021 is 120354256847.

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 not a de Polignac number, because 748652453021 - 2²² = 748648258717 is a prime.

It is a super-2 number, since 2×748652453021² (a number of 25 digits) 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 (748652453027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34029656945 + ... + 34029656966.

It is an arithmetic number, because the mean of its divisors is an integer number (204177941736).

Almost surely, 2^748652453021 is an apocalyptic number.

It is an amenable number.

748652453021 is a deficient number, since it is larger than the sum of its proper divisors (68059313923).

748652453021 is a wasteful number, since it uses less digits than its factorization.

748652453021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68059313922.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 748652453021 in words is "seven hundred forty-eight billion, six hundred fifty-two million, four hundred fifty-three thousand, twenty-one".