469781569810979 has 2 divisors, whose sum is σ = 469781569810980. Its totient is φ = 469781569810978.

The previous prime is 469781569810859. The next prime is 469781569810991. The reversal of 469781569810979 is 979018965187964.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469781569810979 - 2⁸ = 469781569810723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 469781569810894 and 469781569810903.

It is not a weakly prime, because it can be changed into another prime (469781569813979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234890784905489 + 234890784905490.

It is an arithmetic number, because the mean of its divisors is an integer number (234890784905490).

Almost surely, 2^{469781569810979} is an apocalyptic number.

469781569810979 is a deficient number, since it is larger than the sum of its proper divisors (1).

469781569810979 is an equidigital number, since it uses as much as digits as its factorization.

469781569810979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14814213120, while the sum is 89.

The spelling of 469781569810979 in words is "four hundred sixty-nine trillion, seven hundred eighty-one billion, five hundred sixty-nine million, eight hundred ten thousand, nine hundred seventy-nine".