102969543925 has 6 divisors (see below), whose sum is σ = 127682234498. Its totient is φ = 82375635120.

The previous prime is 102969543889. The next prime is 102969543947. The reversal of 102969543925 is 529345969201.

It can be written as a sum of positive squares in 3 ways, for example, as 24258997009 + 78710546916 = 155753^2 + 280554^2 .

It is not a de Polignac number, because 102969543925 - 2²¹ = 102967446773 is a prime.

It is a super-2 number, since 2×102969543925² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2059390854 + ... + 2059390903.

Almost surely, 2^102969543925 is an apocalyptic number.

It is an amenable number.

102969543925 is a deficient number, since it is larger than the sum of its proper divisors (24712690573).

102969543925 is an equidigital number, since it uses as much as digits as its factorization.

102969543925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118781767 (or 4118781762 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 102969543925 in words is "one hundred two billion, nine hundred sixty-nine million, five hundred forty-three thousand, nine hundred twenty-five".