98947158631 has 2 divisors, whose sum is σ = 98947158632. Its totient is φ = 98947158630.

The previous prime is 98947158577. The next prime is 98947158689. The reversal of 98947158631 is 13685174989.

It is a weak prime.

It is an emirp because it is prime and its reverse (13685174989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98947158631 - 2²⁹ = 98410287719 is a prime.

It is a super-2 number, since 2×98947158631² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98947158631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98947158031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49473579315 + 49473579316.

It is an arithmetic number, because the mean of its divisors is an integer number (49473579316).

Almost surely, 2^98947158631 is an apocalyptic number.

98947158631 is a deficient number, since it is larger than the sum of its proper divisors (1).

98947158631 is an equidigital number, since it uses as much as digits as its factorization.

98947158631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 61.

The spelling of 98947158631 in words is "ninety-eight billion, nine hundred forty-seven million, one hundred fifty-eight thousand, six hundred thirty-one".