1368917407 has 18 divisors (see below), whose sum is σ = 1629350016. Its totient is φ = 1148724720.

The previous prime is 1368917393. The next prime is 1368917411. The reversal of 1368917407 is 7047198631.

It is not a de Polignac number, because 1368917407 - 2⁷ = 1368917279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368957407) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13023 + ... + 53920.

Almost surely, 2^1368917407 is an apocalyptic number.

1368917407 is a deficient number, since it is larger than the sum of its proper divisors (260432609).

1368917407 is a wasteful number, since it uses less digits than its factorization.

1368917407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66991 (or 66967 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 1368917407 is about 36998.8838615437. The cubic root of 1368917407 is about 1110.3479165314.

The spelling of 1368917407 in words is "one billion, three hundred sixty-eight million, nine hundred seventeen thousand, four hundred seven".