6396141957 has 4 divisors (see below), whose sum is σ = 8528189280. Its totient is φ = 4264094636.

The previous prime is 6396141911. The next prime is 6396141971. The reversal of 6396141957 is 7591416936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6396141957 - 2¹⁴ = 6396125573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396141977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066023657 + ... + 1066023662.

It is an arithmetic number, because the mean of its divisors is an integer number (2132047320).

Almost surely, 2^6396141957 is an apocalyptic number.

It is an amenable number.

6396141957 is a deficient number, since it is larger than the sum of its proper divisors (2132047323).

6396141957 is a wasteful number, since it uses less digits than its factorization.

6396141957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132047322.

The product of its digits is 1224720, while the sum is 51.

The square root of 6396141957 is about 79975.8835962442. The cubic root of 6396141957 is about 1856.2623865944.

The spelling of 6396141957 in words is "six billion, three hundred ninety-six million, one hundred forty-one thousand, nine hundred fifty-seven".