64505170695041 has 2 divisors, whose sum is σ = 64505170695042. Its totient is φ = 64505170695040.

The previous prime is 64505170695023. The next prime is 64505170695059. The reversal of 64505170695041 is 14059607150546.

It is a balanced prime because it is at equal distance from previous prime (64505170695023) and next prime (64505170695059).

It can be written as a sum of positive squares in only one way, i.e., 42144765610000 + 22360405085041 = 6491900^2 + 4728679^2 .

It is a cyclic number.

It is not a de Polignac number, because 64505170695041 - 2²² = 64505166500737 is a prime.

It is not a weakly prime, because it can be changed into another prime (64505170655041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32252585347520 + 32252585347521.

It is an arithmetic number, because the mean of its divisors is an integer number (32252585347521).

Almost surely, 2^{64505170695041} is an apocalyptic number.

It is an amenable number.

64505170695041 is a deficient number, since it is larger than the sum of its proper divisors (1).

64505170695041 is an equidigital number, since it uses as much as digits as its factorization.

64505170695041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 64505170695041 in words is "sixty-four trillion, five hundred five billion, one hundred seventy million, six hundred ninety-five thousand, forty-one".