69806413952 has 120 divisors (see below), whose sum is σ = 153769976325. Its totient is φ = 31565783040.

The previous prime is 69806413951. The next prime is 69806413961. The reversal of 69806413952 is 25931460896.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 64813013056 + 4993400896 = 254584^2 + 70664^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=186824.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69806413894 and 69806413903.

It is not an unprimeable number, because it can be changed into a prime (69806413951) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 361691168 + ... + 361691360.

Almost surely, 2^69806413952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69806413952

69806413952 is an abundant number, since it is smaller than the sum of its proper divisors (83963562373).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69806413952 is an frugal number, since it uses more digits than its factorization.

69806413952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 69806413952 in words is "sixty-nine billion, eight hundred six million, four hundred thirteen thousand, nine hundred fifty-two".