641124140654 has 16 divisors (see below), whose sum is σ = 991218495456. Its totient is φ = 310866007200.

The previous prime is 641124140653. The next prime is 641124140677. The reversal of 641124140654 is 456041421146.

641124140654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641124140654² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641124140653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36999197 + ... + 37016520.

It is an arithmetic number, because the mean of its divisors is an integer number (61951155966).

Almost surely, 2^641124140654 is an apocalyptic number.

641124140654 is a deficient number, since it is larger than the sum of its proper divisors (350094354802).

641124140654 is a wasteful number, since it uses less digits than its factorization.

641124140654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74015851.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 641124140654 in words is "six hundred forty-one billion, one hundred twenty-four million, one hundred forty thousand, six hundred fifty-four".