32139868037 has 2 divisors, whose sum is σ = 32139868038. Its totient is φ = 32139868036.

The previous prime is 32139868031. The next prime is 32139868069. The reversal of 32139868037 is 73086893123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29668684516 + 2471183521 = 172246^2 + 49711^2 .

It is a cyclic number.

It is not a de Polignac number, because 32139868037 - 2¹² = 32139863941 is a prime.

It is a super-2 number, since 2×32139868037² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32139868031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16069934018 + 16069934019.

It is an arithmetic number, because the mean of its divisors is an integer number (16069934019).

Almost surely, 2^32139868037 is an apocalyptic number.

It is an amenable number.

32139868037 is a deficient number, since it is larger than the sum of its proper divisors (1).

32139868037 is an equidigital number, since it uses as much as digits as its factorization.

32139868037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 32139868037 in words is "thirty-two billion, one hundred thirty-nine million, eight hundred sixty-eight thousand, thirty-seven".