98958510034421 has 2 divisors, whose sum is σ = 98958510034422. Its totient is φ = 98958510034420.

The previous prime is 98958510034393. The next prime is 98958510034457. The reversal of 98958510034421 is 12443001585989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77945325682225 + 21013184352196 = 8828665^2 + 4584014^2 .

It is a cyclic number.

It is not a de Polignac number, because 98958510034421 - 2⁶ = 98958510034357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98958510034471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49479255017210 + 49479255017211.

It is an arithmetic number, because the mean of its divisors is an integer number (49479255017211).

Almost surely, 2^{98958510034421} is an apocalyptic number.

It is an amenable number.

98958510034421 is a deficient number, since it is larger than the sum of its proper divisors (1).

98958510034421 is an equidigital number, since it uses as much as digits as its factorization.

98958510034421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 98958510034421 in words is "ninety-eight trillion, nine hundred fifty-eight billion, five hundred ten million, thirty-four thousand, four hundred twenty-one".