5981764353949 has 2 divisors, whose sum is σ = 5981764353950. Its totient is φ = 5981764353948.

The previous prime is 5981764353907. The next prime is 5981764353959. The reversal of 5981764353949 is 9493534671895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3179213811225 + 2802550542724 = 1783035^2 + 1674082^2 .

It is a cyclic number.

It is not a de Polignac number, because 5981764353949 - 2³⁷ = 5844325400477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5981764353959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990882176974 + 2990882176975.

It is an arithmetic number, because the mean of its divisors is an integer number (2990882176975).

Almost surely, 2^{5981764353949} is an apocalyptic number.

It is an amenable number.

5981764353949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981764353949 is an equidigital number, since it uses as much as digits as its factorization.

5981764353949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 881798400, while the sum is 73.

The spelling of 5981764353949 in words is "five trillion, nine hundred eighty-one billion, seven hundred sixty-four million, three hundred fifty-three thousand, nine hundred forty-nine".