7914722553 has 6 divisors (see below), whose sum is σ = 11432377034. Its totient is φ = 5276481696.

The previous prime is 7914722551. The next prime is 7914722581. The reversal of 7914722553 is 3552274197.

It is a happy number.

7914722553 is a `hidden beast` number, since 7 + 91 + 4 + 7 + 2 + 2 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4484043369 + 3430679184 = 66963^2 + 58572^2 .

It is not a de Polignac number, because 7914722553 - 2¹ = 7914722551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7914722499 and 7914722508.

It is not an unprimeable number, because it can be changed into a prime (7914722551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439706800 + ... + 439706817.

Almost surely, 2^7914722553 is an apocalyptic number.

It is an amenable number.

7914722553 is a deficient number, since it is larger than the sum of its proper divisors (3517654481).

7914722553 is a wasteful number, since it uses less digits than its factorization.

7914722553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879413623 (or 879413620 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 7914722553 is about 88964.7264538030. The cubic root of 7914722553 is about 1992.8681446320.

The spelling of 7914722553 in words is "seven billion, nine hundred fourteen million, seven hundred twenty-two thousand, five hundred fifty-three".