15714061591 has 2 divisors, whose sum is σ = 15714061592. Its totient is φ = 15714061590.

The previous prime is 15714061589. The next prime is 15714061651. The reversal of 15714061591 is 19516041751.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15714061591 - 2¹ = 15714061589 is a prime.

Together with 15714061589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15714061091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7857030795 + 7857030796.

It is an arithmetic number, because the mean of its divisors is an integer number (7857030796).

Almost surely, 2^15714061591 is an apocalyptic number.

15714061591 is a deficient number, since it is larger than the sum of its proper divisors (1).

15714061591 is an equidigital number, since it uses as much as digits as its factorization.

15714061591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 15714061591 in words is "fifteen billion, seven hundred fourteen million, sixty-one thousand, five hundred ninety-one".