641271542041 has 16 divisors (see below), whose sum is σ = 696159414720. Its totient is φ = 587181591360.

The previous prime is 641271542027. The next prime is 641271542047. The reversal of 641271542041 is 140245172146.

It is not a de Polignac number, because 641271542041 - 2⁷ = 641271541913 is a prime.

It is a super-2 number, since 2×641271542041² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641271542047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111111 + ... + 4264243.

It is an arithmetic number, because the mean of its divisors is an integer number (43509963420).

Almost surely, 2^641271542041 is an apocalyptic number.

It is an amenable number.

641271542041 is a deficient number, since it is larger than the sum of its proper divisors (54887872679).

641271542041 is a wasteful number, since it uses less digits than its factorization.

641271542041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155736.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 641271542041 in words is "six hundred forty-one billion, two hundred seventy-one million, five hundred forty-two thousand, forty-one".