7355997961979 has 2 divisors, whose sum is σ = 7355997961980. Its totient is φ = 7355997961978.

The previous prime is 7355997961957. The next prime is 7355997962057. The reversal of 7355997961979 is 9791697995537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7355997961979 - 2³⁶ = 7287278485243 is a prime.

It is a super-2 number, since 2×7355997961979² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7355997961979.

It is not a weakly prime, because it can be changed into another prime (7355997960979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3677998980989 + 3677998980990.

It is an arithmetic number, because the mean of its divisors is an integer number (3677998980990).

Almost surely, 2^{7355997961979} is an apocalyptic number.

7355997961979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7355997961979 is an equidigital number, since it uses as much as digits as its factorization.

7355997961979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9114213150, while the sum is 86.

The spelling of 7355997961979 in words is "seven trillion, three hundred fifty-five billion, nine hundred ninety-seven million, nine hundred sixty-one thousand, nine hundred seventy-nine".