35001665641 has 2 divisors, whose sum is σ = 35001665642. Its totient is φ = 35001665640.

The previous prime is 35001665609. The next prime is 35001665701. The reversal of 35001665641 is 14656610053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23298969600 + 11702696041 = 152640^2 + 108179^2 .

It is a cyclic number.

It is not a de Polignac number, because 35001665641 - 2⁵ = 35001665609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35001665641.

It is not a weakly prime, because it can be changed into another prime (35001665141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17500832820 + 17500832821.

It is an arithmetic number, because the mean of its divisors is an integer number (17500832821).

Almost surely, 2^35001665641 is an apocalyptic number.

It is an amenable number.

35001665641 is a deficient number, since it is larger than the sum of its proper divisors (1).

35001665641 is an equidigital number, since it uses as much as digits as its factorization.

35001665641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 35001665641 in words is "thirty-five billion, one million, six hundred sixty-five thousand, six hundred forty-one".