6457126467617 has 8 divisors (see below), whose sum is σ = 7405649338176. Its totient is φ = 5515122655152.

The previous prime is 6457126467599. The next prime is 6457126467629. The reversal of 6457126467617 is 7167646217546.

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

It is a cyclic number.

It is not a de Polignac number, because 6457126467617 - 2²² = 6457122273313 is a prime.

It is a super-2 number, since 2×6457126467617² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6457126467617.

It is not an unprimeable number, because it can be changed into a prime (6457126466617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629762398 + ... + 1629766359.

It is an arithmetic number, because the mean of its divisors is an integer number (925706167272).

Almost surely, 2^{6457126467617} is an apocalyptic number.

It is an amenable number.

6457126467617 is a deficient number, since it is larger than the sum of its proper divisors (948522870559).

6457126467617 is a wasteful number, since it uses less digits than its factorization.

6457126467617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259529047.

The product of its digits is 71124480, while the sum is 62.

The spelling of 6457126467617 in words is "six trillion, four hundred fifty-seven billion, one hundred twenty-six million, four hundred sixty-seven thousand, six hundred seventeen".