13700520037 has 2 divisors, whose sum is σ = 13700520038. Its totient is φ = 13700520036.

The previous prime is 13700520023. The next prime is 13700520077. The reversal of 13700520037 is 73002500731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8776129761 + 4924390276 = 93681^2 + 70174^2 .

It is an emirp because it is prime and its reverse (73002500731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13700520037 - 2¹¹ = 13700517989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13700519987 and 13700520014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13700520077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850260018 + 6850260019.

It is an arithmetic number, because the mean of its divisors is an integer number (6850260019).

Almost surely, 2^13700520037 is an apocalyptic number.

It is an amenable number.

13700520037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700520037 is an equidigital number, since it uses as much as digits as its factorization.

13700520037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 28.

The spelling of 13700520037 in words is "thirteen billion, seven hundred million, five hundred twenty thousand, thirty-seven".