2391657202984 has 32 divisors (see below), whose sum is σ = 5133286082880. Its totient is φ = 1023334671744.

The previous prime is 2391657202981. The next prime is 2391657202997. The reversal of 2391657202984 is 4892027561932.

It is a super-5 number, since 5×2391657202984⁵ (a number of 63 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (2391657202981) 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, 34574982 + ... + 34644085.

It is an arithmetic number, because the mean of its divisors is an integer number (160415190090).

It is a 1-persistent number, because it is pandigital, but 2⋅2391657202984 = 4783314405968 is not.

Almost surely, 2^{2391657202984} is an apocalyptic number.

It is an amenable number.

2391657202984 is an abundant number, since it is smaller than the sum of its proper divisors (2741628879896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2391657202984 is a wasteful number, since it uses less digits than its factorization.

2391657202984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69219697 (or 69219693 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 2391657202984 in words is "two trillion, three hundred ninety-one billion, six hundred fifty-seven million, two hundred two thousand, nine hundred eighty-four".