119794404581 has 2 divisors, whose sum is σ = 119794404582. Its totient is φ = 119794404580.

The previous prime is 119794404563. The next prime is 119794404643. The reversal of 119794404581 is 185404497911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119583864481 + 210540100 = 345809^2 + 14510^2 .

It is a cyclic number.

It is not a de Polignac number, because 119794404581 - 2²² = 119790210277 is a prime.

It is a super-2 number, since 2×119794404581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119794404481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59897202290 + 59897202291.

It is an arithmetic number, because the mean of its divisors is an integer number (59897202291).

Almost surely, 2^119794404581 is an apocalyptic number.

It is an amenable number.

119794404581 is a deficient number, since it is larger than the sum of its proper divisors (1).

119794404581 is an equidigital number, since it uses as much as digits as its factorization.

119794404581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 119794404581 in words is "one hundred nineteen billion, seven hundred ninety-four million, four hundred four thousand, five hundred eighty-one".