6137478009613 has 2 divisors, whose sum is σ = 6137478009614. Its totient is φ = 6137478009612.

The previous prime is 6137478009589. The next prime is 6137478009617. The reversal of 6137478009613 is 3169008747316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5692432917924 + 445045091689 = 2385882^2 + 667117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6137478009613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6137478009617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068739004806 + 3068739004807.

It is an arithmetic number, because the mean of its divisors is an integer number (3068739004807).

Almost surely, 2^{6137478009613} is an apocalyptic number.

It is an amenable number.

6137478009613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6137478009613 is an equidigital number, since it uses as much as digits as its factorization.

6137478009613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 6137478009613 in words is "six trillion, one hundred thirty-seven billion, four hundred seventy-eight million, nine thousand, six hundred thirteen".