69662138452 has 12 divisors (see below), whose sum is σ = 122527569780. Its totient is φ = 34654261376.

The previous prime is 69662138431. The next prime is 69662138543. The reversal of 69662138452 is 25483126696.

It can be written as a sum of positive squares in 2 ways, for example, as 44168906896 + 25493231556 = 210164^2 + 159666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 69662138452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44201077 + ... + 44202652.

It is an arithmetic number, because the mean of its divisors is an integer number (10210630815).

Almost surely, 2^69662138452 is an apocalyptic number.

It is an amenable number.

69662138452 is a deficient number, since it is larger than the sum of its proper divisors (52865431328).

69662138452 is a wasteful number, since it uses less digits than its factorization.

69662138452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88403930 (or 88403928 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 69662138452 in words is "sixty-nine billion, six hundred sixty-two million, one hundred thirty-eight thousand, four hundred fifty-two".