202137406613 has 2 divisors, whose sum is σ = 202137406614. Its totient is φ = 202137406612.

The previous prime is 202137406589. The next prime is 202137406657. The reversal of 202137406613 is 316604731202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151556047204 + 50581359409 = 389302^2 + 224903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202137406613 is a prime.

It is a super-2 number, since 2×202137406613² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202137406693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101068703306 + 101068703307.

It is an arithmetic number, because the mean of its divisors is an integer number (101068703307).

Almost surely, 2^202137406613 is an apocalyptic number.

It is an amenable number.

202137406613 is a deficient number, since it is larger than the sum of its proper divisors (1).

202137406613 is an equidigital number, since it uses as much as digits as its factorization.

202137406613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 202137406613 in words is "two hundred two billion, one hundred thirty-seven million, four hundred six thousand, six hundred thirteen".