7273151060921 has 4 divisors (see below), whose sum is σ = 7655948485200. Its totient is φ = 6890353636644.

The previous prime is 7273151060909. The next prime is 7273151060951. The reversal of 7273151060921 is 1290601513727.

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 7273151060921 - 2¹⁸ = 7273150798777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7273151060951) 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, 191398712111 + ... + 191398712148.

It is an arithmetic number, because the mean of its divisors is an integer number (1913987121300).

Almost surely, 2^{7273151060921} is an apocalyptic number.

It is an amenable number.

7273151060921 is a deficient number, since it is larger than the sum of its proper divisors (382797424279).

7273151060921 is a wasteful number, since it uses less digits than its factorization.

7273151060921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382797424278.

The product of its (nonzero) digits is 158760, while the sum is 44.

The spelling of 7273151060921 in words is "seven trillion, two hundred seventy-three billion, one hundred fifty-one million, sixty thousand, nine hundred twenty-one".