239501893245 has 16 divisors (see below), whose sum is σ = 389485047552. Its totient is φ = 125640336960.

The previous prime is 239501893243. The next prime is 239501893277. The reversal of 239501893245 is 542398105932.

It is a happy number.

It is not a de Polignac number, because 239501893245 - 2¹ = 239501893243 is a prime.

It is a super-2 number, since 2×239501893245² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239501893243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130874437 + ... + 130876266.

It is an arithmetic number, because the mean of its divisors is an integer number (24342815472).

Almost surely, 2^239501893245 is an apocalyptic number.

It is an amenable number.

239501893245 is a deficient number, since it is larger than the sum of its proper divisors (149983154307).

239501893245 is a wasteful number, since it uses less digits than its factorization.

239501893245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261750772.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 239501893245 in words is "two hundred thirty-nine billion, five hundred one million, eight hundred ninety-three thousand, two hundred forty-five".