1373179081 has 2 divisors, whose sum is σ = 1373179082. Its totient is φ = 1373179080.

The previous prime is 1373179033. The next prime is 1373179099. The reversal of 1373179081 is 1809713731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050797056 + 322382025 = 32416^2 + 17955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373179081 - 2¹³ = 1373170889 is a prime.

It is a super-2 number, since 2×1373179081² = 3771241576992009122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1373179021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686589540 + 686589541.

It is an arithmetic number, because the mean of its divisors is an integer number (686589541).

Almost surely, 2^1373179081 is an apocalyptic number.

It is an amenable number.

1373179081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373179081 is an equidigital number, since it uses as much as digits as its factorization.

1373179081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1373179081 is about 37056.4310343023. The cubic root of 1373179081 is about 1111.4989572128.

The spelling of 1373179081 in words is "one billion, three hundred seventy-three million, one hundred seventy-nine thousand, eighty-one".