1979176089097 has 2 divisors, whose sum is σ = 1979176089098. Its totient is φ = 1979176089096.

The previous prime is 1979176089053. The next prime is 1979176089127. The reversal of 1979176089097 is 7909806719791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971317089296 + 7858999801 = 1404036^2 + 88651^2 .

It is a cyclic number.

It is not a de Polignac number, because 1979176089097 - 2¹⁵ = 1979176056329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1979176039097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989588044548 + 989588044549.

It is an arithmetic number, because the mean of its divisors is an integer number (989588044549).

Almost surely, 2^{1979176089097} is an apocalyptic number.

It is an amenable number.

1979176089097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979176089097 is an equidigital number, since it uses as much as digits as its factorization.

1979176089097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108020304, while the sum is 73.

The spelling of 1979176089097 in words is "one trillion, nine hundred seventy-nine billion, one hundred seventy-six million, eighty-nine thousand, ninety-seven".