14640556141 has 2 divisors, whose sum is σ = 14640556142. Its totient is φ = 14640556140.

The previous prime is 14640556129. The next prime is 14640556157. The reversal of 14640556141 is 14165504641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8362370916 + 6278185225 = 91446^2 + 79235^2 .

It is a cyclic number.

It is not a de Polignac number, because 14640556141 - 2⁵ = 14640556109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14640556141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14640556171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320278070 + 7320278071.

It is an arithmetic number, because the mean of its divisors is an integer number (7320278071).

Almost surely, 2^14640556141 is an apocalyptic number.

It is an amenable number.

14640556141 is a deficient number, since it is larger than the sum of its proper divisors (1).

14640556141 is an equidigital number, since it uses as much as digits as its factorization.

14640556141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 14640556141 in words is "fourteen billion, six hundred forty million, five hundred fifty-six thousand, one hundred forty-one".