2752402624921 has 32 divisors (see below), whose sum is σ = 2878250254880. Its totient is φ = 2629768052736.

The previous prime is 2752402624913. The next prime is 2752402624943. The reversal of 2752402624921 is 1294262042572.

2752402624921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 41753200896 + 2710649424025 = 204336^2 + 1646405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2752402624921 - 2³ = 2752402624913 is a prime.

It is a super-2 number, since 2×2752402624921² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2752402624901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274987765 + ... + 274997773.

It is an arithmetic number, because the mean of its divisors is an integer number (89945320465).

Almost surely, 2^{2752402624921} is an apocalyptic number.

It is an amenable number.

2752402624921 is a deficient number, since it is larger than the sum of its proper divisors (125847629959).

2752402624921 is a wasteful number, since it uses less digits than its factorization.

2752402624921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 2752402624921 in words is "two trillion, seven hundred fifty-two billion, four hundred two million, six hundred twenty-four thousand, nine hundred twenty-one".