6198513631 has 2 divisors, whose sum is σ = 6198513632. Its totient is φ = 6198513630.

The previous prime is 6198513617. The next prime is 6198513637. The reversal of 6198513631 is 1363158916.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6198513631 is a prime.

It is a super-2 number, since 2×6198513631² = 76843142467385608322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6198513637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099256815 + 3099256816.

It is an arithmetic number, because the mean of its divisors is an integer number (3099256816).

Almost surely, 2^6198513631 is an apocalyptic number.

6198513631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198513631 is an equidigital number, since it uses as much as digits as its factorization.

6198513631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 6198513631 is about 78730.6397217754. The cubic root of 6198513631 is about 1836.9437321282.

The spelling of 6198513631 in words is "six billion, one hundred ninety-eight million, five hundred thirteen thousand, six hundred thirty-one".