696143122025 has 24 divisors (see below), whose sum is σ = 929659794840. Its totient is φ = 514052259840.

The previous prime is 696143121997. The next prime is 696143122027. The reversal of 696143122025 is 520221341696.

It can be written as a sum of positive squares in 12 ways, for example, as 596638835776 + 99504286249 = 772424^2 + 315443^2 .

It is not a de Polignac number, because 696143122025 - 2⁸ = 696143121769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (696143122027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12285659 + ... + 12342191.

It is an arithmetic number, because the mean of its divisors is an integer number (38735824785).

Almost surely, 2^696143122025 is an apocalyptic number.

696143122025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

696143122025 is a deficient number, since it is larger than the sum of its proper divisors (233516672815).

696143122025 is a wasteful number, since it uses less digits than its factorization.

696143122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94445 (or 94440 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 696143122025 in words is "six hundred ninety-six billion, one hundred forty-three million, one hundred twenty-two thousand, twenty-five".