641514265001 has 4 divisors (see below), whose sum is σ = 641521147092. Its totient is φ = 641507382912.

The previous prime is 641514264983. The next prime is 641514265003. The reversal of 641514265001 is 100562415146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100562415146 = 2 ⋅50281207573.

It can be written as a sum of positive squares in 2 ways, for example, as 546045624601 + 95468640400 = 738949^2 + 308980^2 .

It is a cyclic number.

It is not a de Polignac number, because 641514265001 - 2²² = 641510070697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641514265003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3299276 + ... + 3488301.

It is an arithmetic number, because the mean of its divisors is an integer number (160380286773).

Almost surely, 2^641514265001 is an apocalyptic number.

It is an amenable number.

641514265001 is a deficient number, since it is larger than the sum of its proper divisors (6882091).

641514265001 is an equidigital number, since it uses as much as digits as its factorization.

641514265001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6882090.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 641514265001 in words is "six hundred forty-one billion, five hundred fourteen million, two hundred sixty-five thousand, one".