98149553431 has 4 divisors (see below), whose sum is σ = 103923056592. Its totient is φ = 92376050272.

The previous prime is 98149553417. The next prime is 98149553479. The reversal of 98149553431 is 13435594189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98149553431 - 2⁵ = 98149553399 is a prime.

It is a super-2 number, since 2×98149553431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98149550431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886751555 + ... + 2886751588.

It is an arithmetic number, because the mean of its divisors is an integer number (25980764148).

Almost surely, 2^98149553431 is an apocalyptic number.

98149553431 is a deficient number, since it is larger than the sum of its proper divisors (5773503161).

98149553431 is a wasteful number, since it uses less digits than its factorization.

98149553431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773503160.

The product of its digits is 2332800, while the sum is 52.

The spelling of 98149553431 in words is "ninety-eight billion, one hundred forty-nine million, five hundred fifty-three thousand, four hundred thirty-one".