239609271001 has 9 divisors (see below), whose sum is σ = 245616511903. Its totient is φ = 233745562480.

The previous prime is 239609270977. The next prime is 239609271007. The reversal of 239609271001 is 100172906932.

The square root of 239609271001 is 489499.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11545717401 + 228063553600 = 107451^2 + 477560^2 .

It is not a de Polignac number, because 239609271001 - 2⁵ = 239609270969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239609271007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20063490 + ... + 20075428.

Almost surely, 2^239609271001 is an apocalyptic number.

239609271001 is the 489499-th square number.

239609271001 is the 244750-th centered octagonal number.

It is an amenable number.

239609271001 is a deficient number, since it is larger than the sum of its proper divisors (6007240902).

239609271001 is an frugal number, since it uses more digits than its factorization.

239609271001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23960 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 239609271001 in words is "two hundred thirty-nine billion, six hundred nine million, two hundred seventy-one thousand, one".