2391983354357 has 8 divisors (see below), whose sum is σ = 2474872104600. Its totient is φ = 2309121708544.

The previous prime is 2391983354351. The next prime is 2391983354363. The reversal of 2391983354357 is 7534533891932.

It is an interprime number because it is at equal distance from previous prime (2391983354351) and next prime (2391983354363).

It can be written as a sum of positive squares in 4 ways, for example, as 40710729361 + 2351272624996 = 201769^2 + 1533386^2 .

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 2391983354357 - 2¹² = 2391983350261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2391983354357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391983354351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6596468 + ... + 6949629.

It is an arithmetic number, because the mean of its divisors is an integer number (309359013075).

Almost surely, 2^{2391983354357} is an apocalyptic number.

It is an amenable number.

2391983354357 is a deficient number, since it is larger than the sum of its proper divisors (82888750243).

2391983354357 is a wasteful number, since it uses less digits than its factorization.

2391983354357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13552215.

The product of its digits is 73483200, while the sum is 62.

The spelling of 2391983354357 in words is "two trillion, three hundred ninety-one billion, nine hundred eighty-three million, three hundred fifty-four thousand, three hundred fifty-seven".