98620625493 has 32 divisors (see below), whose sum is σ = 158274569600. Its totient is φ = 60689579184.

The previous prime is 98620625491. The next prime is 98620625513. The reversal of 98620625493 is 39452602689.

It is a happy number.

98620625493 is a `hidden beast` number, since 9 + 8 + 6 + 2 + 0 + 625 + 4 + 9 + 3 = 666.

It is not a de Polignac number, because 98620625493 - 2¹ = 98620625491 is a prime.

It is a super-2 number, since 2×98620625493² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98620625491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 771955 + ... + 890592.

It is an arithmetic number, because the mean of its divisors is an integer number (4946080300).

Almost surely, 2^98620625493 is an apocalyptic number.

It is an amenable number.

98620625493 is a deficient number, since it is larger than the sum of its proper divisors (59653944107).

98620625493 is a wasteful number, since it uses less digits than its factorization.

98620625493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662595 (or 1662563 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 98620625493 in words is "ninety-eight billion, six hundred twenty million, six hundred twenty-five thousand, four hundred ninety-three".