35435020164721 has 2 divisors, whose sum is σ = 35435020164722. Its totient is φ = 35435020164720.

The previous prime is 35435020164647. The next prime is 35435020164767. The reversal of 35435020164721 is 12746102053453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35417209927696 + 17810237025 = 5951236^2 + 133455^2 .

It is a cyclic number.

It is not a de Polignac number, because 35435020164721 - 2⁹ = 35435020164209 is a prime.

It is not a weakly prime, because it can be changed into another prime (35435020164781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17717510082360 + 17717510082361.

It is an arithmetic number, because the mean of its divisors is an integer number (17717510082361).

Almost surely, 2^{35435020164721} is an apocalyptic number.

It is an amenable number.

35435020164721 is a deficient number, since it is larger than the sum of its proper divisors (1).

35435020164721 is an equidigital number, since it uses as much as digits as its factorization.

35435020164721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 35435020164721 in words is "thirty-five trillion, four hundred thirty-five billion, twenty million, one hundred sixty-four thousand, seven hundred twenty-one".