1080597331949 has 2 divisors, whose sum is σ = 1080597331950. Its totient is φ = 1080597331948.

The previous prime is 1080597331909. The next prime is 1080597331969. The reversal of 1080597331949 is 9491337950801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079863897225 + 733434724 = 1039165^2 + 27082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080597331949 is a prime.

It is a super-2 number, since 2×1080597331949² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080597331909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540298665974 + 540298665975.

It is an arithmetic number, because the mean of its divisors is an integer number (540298665975).

Almost surely, 2^{1080597331949} is an apocalyptic number.

It is an amenable number.

1080597331949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080597331949 is an equidigital number, since it uses as much as digits as its factorization.

1080597331949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 1080597331949 in words is "one trillion, eighty billion, five hundred ninety-seven million, three hundred thirty-one thousand, nine hundred forty-nine".