6417641497 has 16 divisors (see below), whose sum is σ = 6540468480. Its totient is φ = 6296265792.

The previous prime is 6417641479. The next prime is 6417641509. The reversal of 6417641497 is 7941467146.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6417641497 is a prime.

It is a super-2 number, since 2×6417641497² = 82372244768032802018, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (1016064) is a multiple of the sum of its prime divisors (1512).

It is a self number, because there is not a number n which added to its sum of digits gives 6417641497.

It is not an unprimeable number, because it can be changed into a prime (6417641467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8754943 + ... + 8755675.

It is an arithmetic number, because the mean of its divisors is an integer number (408779280).

Almost surely, 2^6417641497 is an apocalyptic number.

It is an amenable number.

6417641497 is a deficient number, since it is larger than the sum of its proper divisors (122826983).

6417641497 is a wasteful number, since it uses less digits than its factorization.

6417641497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512.

The product of its digits is 1016064, while the sum is 49.

The square root of 6417641497 is about 80110.1834787563. The cubic root of 6417641497 is about 1858.3398970420.

The spelling of 6417641497 in words is "six billion, four hundred seventeen million, six hundred forty-one thousand, four hundred ninety-seven".