530925966721 has 4 divisors (see below), whose sum is σ = 535106486272. Its totient is φ = 526745447172.

The previous prime is 530925966719. The next prime is 530925966749. The reversal of 530925966721 is 127669529035.

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 530925966721 - 2¹ = 530925966719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530925964721) 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, 2090259585 + ... + 2090259838.

It is an arithmetic number, because the mean of its divisors is an integer number (133776621568).

Almost surely, 2^530925966721 is an apocalyptic number.

It is an amenable number.

530925966721 is a deficient number, since it is larger than the sum of its proper divisors (4180519551).

530925966721 is a wasteful number, since it uses less digits than its factorization.

530925966721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180519550.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 530925966721 in words is "five hundred thirty billion, nine hundred twenty-five million, nine hundred sixty-six thousand, seven hundred twenty-one".