469781569810859 has 2 divisors, whose sum is σ = 469781569810860. Its totient is φ = 469781569810858.

The previous prime is 469781569810769. The next prime is 469781569810979. The reversal of 469781569810859 is 958018965187964.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-469781569810859 is a prime.

It is not a weakly prime, because it can be changed into another prime (469781569810159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234890784905429 + 234890784905430.

It is an arithmetic number, because the mean of its divisors is an integer number (234890784905430).

Almost surely, 2^{469781569810859} is an apocalyptic number.

469781569810859 is a deficient number, since it is larger than the sum of its proper divisors (1).

469781569810859 is an equidigital number, since it uses as much as digits as its factorization.

469781569810859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9405849600, while the sum is 86.

The spelling of 469781569810859 in words is "four hundred sixty-nine trillion, seven hundred eighty-one billion, five hundred sixty-nine million, eight hundred ten thousand, eight hundred fifty-nine".