14638856741 has 2 divisors, whose sum is σ = 14638856742. Its totient is φ = 14638856740.

The previous prime is 14638856719. The next prime is 14638856783. The reversal of 14638856741 is 14765883641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12398822500 + 2240034241 = 111350^2 + 47329^2 .

It is a cyclic number.

It is not a de Polignac number, because 14638856741 - 2²² = 14634662437 is a prime.

It is a super-2 number, since 2×14638856741² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14638846741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7319428370 + 7319428371.

It is an arithmetic number, because the mean of its divisors is an integer number (7319428371).

Almost surely, 2^14638856741 is an apocalyptic number.

It is an amenable number.

14638856741 is a deficient number, since it is larger than the sum of its proper divisors (1).

14638856741 is an equidigital number, since it uses as much as digits as its factorization.

14638856741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 53.

The spelling of 14638856741 in words is "fourteen billion, six hundred thirty-eight million, eight hundred fifty-six thousand, seven hundred forty-one".