1363798957 has 2 divisors, whose sum is σ = 1363798958. Its totient is φ = 1363798956.

The previous prime is 1363798913. The next prime is 1363798991. The reversal of 1363798957 is 7598973631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088604036 + 275194921 = 32994^2 + 16589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1363798957 - 2⁷ = 1363798829 is a prime.

It is a super-2 number, since 2×1363798957² = 3719895190228575698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363798357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681899478 + 681899479.

It is an arithmetic number, because the mean of its divisors is an integer number (681899479).

Almost surely, 2^1363798957 is an apocalyptic number.

It is an amenable number.

1363798957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363798957 is an equidigital number, since it uses as much as digits as its factorization.

1363798957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 58.

The square root of 1363798957 is about 36929.6487527298. The cubic root of 1363798957 is about 1108.9623061833.

The spelling of 1363798957 in words is "one billion, three hundred sixty-three million, seven hundred ninety-eight thousand, nine hundred fifty-seven".