14557042991 has 2 divisors, whose sum is σ = 14557042992. Its totient is φ = 14557042990.

The previous prime is 14557042987. The next prime is 14557043003. The reversal of 14557042991 is 19924075541.

It is a weak prime.

It is an emirp because it is prime and its reverse (19924075541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14557042991 - 2² = 14557042987 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14557042691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7278521495 + 7278521496.

It is an arithmetic number, because the mean of its divisors is an integer number (7278521496).

Almost surely, 2^14557042991 is an apocalyptic number.

14557042991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14557042991 is an equidigital number, since it uses as much as digits as its factorization.

14557042991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 14557042991 in words is "fourteen billion, five hundred fifty-seven million, forty-two thousand, nine hundred ninety-one".