7972261469 has 16 divisors (see below), whose sum is σ = 8574854400. Its totient is φ = 7385195520.

The previous prime is 7972261439. The next prime is 7972261481. The reversal of 7972261469 is 9641622797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7972261469 is a prime.

It is a super-2 number, since 2×7972261469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7972261469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972261439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371957 + ... + 392805.

It is an arithmetic number, because the mean of its divisors is an integer number (535928400).

Almost surely, 2^7972261469 is an apocalyptic number.

It is an amenable number.

7972261469 is a deficient number, since it is larger than the sum of its proper divisors (602592931).

7972261469 is a wasteful number, since it uses less digits than its factorization.

7972261469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21220.

The product of its digits is 2286144, while the sum is 53.

The square root of 7972261469 is about 89287.5213509704. The cubic root of 7972261469 is about 1997.6857789734.

The spelling of 7972261469 in words is "seven billion, nine hundred seventy-two million, two hundred sixty-one thousand, four hundred sixty-nine".