969625645 has 4 divisors (see below), whose sum is σ = 1163550780. Its totient is φ = 775700512.

The previous prime is 969625627. The next prime is 969625669. The reversal of 969625645 is 546526969.

969625645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173765124 + 795860521 = 13182^2 + 28211^2 .

It is a cyclic number.

It is not a de Polignac number, because 969625645 - 2⁹ = 969625133 is a prime.

It is a super-3 number, since 3×969625645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 969625592 and 969625601.

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, 96962560 + ... + 96962569.

It is an arithmetic number, because the mean of its divisors is an integer number (290887695).

Almost surely, 2^969625645 is an apocalyptic number.

It is an amenable number.

969625645 is a deficient number, since it is larger than the sum of its proper divisors (193925135).

969625645 is a wasteful number, since it uses less digits than its factorization.

969625645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193925134.

The product of its digits is 3499200, while the sum is 52.

The square root of 969625645 is about 31138.8125174998. The cubic root of 969625645 is about 989.7709380601.

The spelling of 969625645 in words is "nine hundred sixty-nine million, six hundred twenty-five thousand, six hundred forty-five".