6457117045 has 16 divisors (see below), whose sum is σ = 7836662592. Its totient is φ = 5107276800.

The previous prime is 6457116989. The next prime is 6457117067. The reversal of 6457117045 is 5407117546.

It is not a de Polignac number, because 6457117045 - 2⁷ = 6457116917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6457116989 and 6457117007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136770 + ... + 177820.

It is an arithmetic number, because the mean of its divisors is an integer number (489791412).

Almost surely, 2^6457117045 is an apocalyptic number.

It is an amenable number.

6457117045 is a deficient number, since it is larger than the sum of its proper divisors (1379545547).

6457117045 is a wasteful number, since it uses less digits than its factorization.

6457117045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41412.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 6457117045 is about 80356.1885917942. The cubic root of 6457117045 is about 1862.1423887076.

The spelling of 6457117045 in words is "six billion, four hundred fifty-seven million, one hundred seventeen thousand, forty-five".