7429279953601 has 6 divisors (see below), whose sum is σ = 8166068048306. Its totient is φ = 6753890866800.

The previous prime is 7429279953559. The next prime is 7429279953607. The reversal of 7429279953601 is 1063599729247.

It can be written as a sum of positive squares in only one way, i.e., 6891932312001 + 537347641600 = 2625249^2 + 733040^2 .

It is not a de Polignac number, because 7429279953601 - 2²³ = 7429271564993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7429279953607) 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, 30699503820 + ... + 30699504061.

Almost surely, 2^{7429279953601} is an apocalyptic number.

It is an amenable number.

7429279953601 is a deficient number, since it is larger than the sum of its proper divisors (736788094705).

7429279953601 is a wasteful number, since it uses less digits than its factorization.

7429279953601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61399007903 (or 61399007892 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 64.

The spelling of 7429279953601 in words is "seven trillion, four hundred twenty-nine billion, two hundred seventy-nine million, nine hundred fifty-three thousand, six hundred one".