239690617225 has 12 divisors (see below), whose sum is σ = 297551473344. Its totient is φ = 191536295120.

The previous prime is 239690617211. The next prime is 239690617259. The reversal of 239690617225 is 522716096932.

It is not a de Polignac number, because 239690617225 - 2¹³ = 239690609033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5382349 + ... + 5426698.

It is an arithmetic number, because the mean of its divisors is an integer number (24795956112).

Almost surely, 2^239690617225 is an apocalyptic number.

239690617225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

239690617225 is a deficient number, since it is larger than the sum of its proper divisors (57860856119).

239690617225 is a wasteful number, since it uses less digits than its factorization.

239690617225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809944 (or 10809939 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 239690617225 in words is "two hundred thirty-nine billion, six hundred ninety million, six hundred seventeen thousand, two hundred twenty-five".