12954513571 has 2 divisors, whose sum is σ = 12954513572. Its totient is φ = 12954513570.

The previous prime is 12954513563. The next prime is 12954513577. The reversal of 12954513571 is 17531545921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12954513571 - 2³ = 12954513563 is a prime.

It is a super-2 number, since 2×12954513571² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12954513577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477256785 + 6477256786.

It is an arithmetic number, because the mean of its divisors is an integer number (6477256786).

Almost surely, 2^12954513571 is an apocalyptic number.

12954513571 is a deficient number, since it is larger than the sum of its proper divisors (1).

12954513571 is an equidigital number, since it uses as much as digits as its factorization.

12954513571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 43.

The spelling of 12954513571 in words is "twelve billion, nine hundred fifty-four million, five hundred thirteen thousand, five hundred seventy-one".