12641391254 has 8 divisors (see below), whose sum is σ = 18982113048. Its totient is φ = 6314020240.

The previous prime is 12641391229. The next prime is 12641391263. The reversal of 12641391254 is 45219314621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335327 + ... + 3339114.

It is an arithmetic number, because the mean of its divisors is an integer number (2372764131).

Almost surely, 2^12641391254 is an apocalyptic number.

12641391254 is a deficient number, since it is larger than the sum of its proper divisors (6340721794).

12641391254 is an equidigital number, since it uses as much as digits as its factorization.

12641391254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675390.

The product of its digits is 51840, while the sum is 38.

The spelling of 12641391254 in words is "twelve billion, six hundred forty-one million, three hundred ninety-one thousand, two hundred fifty-four".