98934311921 has 8 divisors (see below), whose sum is σ = 99580346880. Its totient is φ = 98288478288.

The previous prime is 98934311891. The next prime is 98934311939. The reversal of 98934311921 is 12911343989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98934311921 - 2¹⁸ = 98934049777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98934311921.

It is not an unprimeable number, because it can be changed into a prime (98934311941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007990 + ... + 1101776.

It is an arithmetic number, because the mean of its divisors is an integer number (12447543360).

Almost surely, 2^98934311921 is an apocalyptic number.

It is an amenable number.

98934311921 is a deficient number, since it is larger than the sum of its proper divisors (646034959).

98934311921 is a wasteful number, since it uses less digits than its factorization.

98934311921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100663.

The product of its digits is 419904, while the sum is 50.

The spelling of 98934311921 in words is "ninety-eight billion, nine hundred thirty-four million, three hundred eleven thousand, nine hundred twenty-one".