7089527980981 has 4 divisors (see below), whose sum is σ = 7105531430592. Its totient is φ = 7073524531372.

The previous prime is 7089527980967. The next prime is 7089527980991. The reversal of 7089527980981 is 1890897259807.

It is a happy number.

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 7089527980981 - 2⁷ = 7089527980853 is a prime.

It is a super-2 number, since 2×7089527980981² (a number of 27 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 (7089527980991) 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, 8001724141 + ... + 8001725026.

It is an arithmetic number, because the mean of its divisors is an integer number (1776382857648).

Almost surely, 2^{7089527980981} is an apocalyptic number.

It is an amenable number.

7089527980981 is a deficient number, since it is larger than the sum of its proper divisors (16003449611).

7089527980981 is a wasteful number, since it uses less digits than its factorization.

7089527980981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16003449610.

The product of its (nonzero) digits is 182891520, while the sum is 73.

The spelling of 7089527980981 in words is "seven trillion, eighty-nine billion, five hundred twenty-seven million, nine hundred eighty thousand, nine hundred eighty-one".