2391657202983 has 16 divisors (see below), whose sum is σ = 3217174629120. Its totient is φ = 1580289642624.

The previous prime is 2391657202981. The next prime is 2391657202997. The reversal of 2391657202983 is 3892027561932.

It is a happy number.

It is not a de Polignac number, because 2391657202983 - 2¹ = 2391657202981 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 23150638 + ... + 23253716.

It is an arithmetic number, because the mean of its divisors is an integer number (201073414320).

Almost surely, 2^{2391657202983} is an apocalyptic number.

2391657202983 is a deficient number, since it is larger than the sum of its proper divisors (825517426137).

2391657202983 is a wasteful number, since it uses less digits than its factorization.

2391657202983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171638.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 2391657202983 in words is "two trillion, three hundred ninety-one billion, six hundred fifty-seven million, two hundred two thousand, nine hundred eighty-three".