5172400237039 has 8 divisors (see below), whose sum is σ = 6031953629600. Its totient is φ = 4433485917168.

The previous prime is 5172400236943. The next prime is 5172400237061. The reversal of 5172400237039 is 9307320042715.

It is not a de Polignac number, because 5172400237039 - 2²⁵ = 5172366682607 is a prime.

It is a super-2 number, since 2×5172400237039² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5172400236986 and 5172400237004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172400237079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7539941694 + ... + 7539942379.

It is an arithmetic number, because the mean of its divisors is an integer number (753994203700).

Almost surely, 2^{5172400237039} is an apocalyptic number.

5172400237039 is a deficient number, since it is larger than the sum of its proper divisors (859553392561).

5172400237039 is an equidigital number, since it uses as much as digits as its factorization.

5172400237039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079884094 (or 15079884080 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 5172400237039 in words is "five trillion, one hundred seventy-two billion, four hundred million, two hundred thirty-seven thousand, thirty-nine".