2351400491 has 16 divisors (see below), whose sum is σ = 2618396928. Its totient is φ = 2093426400.

The previous prime is 2351400481. The next prime is 2351400497. The reversal of 2351400491 is 1940041532.

It is a cyclic number.

It is not a de Polignac number, because 2351400491 - 2¹⁰ = 2351399467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351400497) 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, 338786 + ... + 345656.

It is an arithmetic number, because the mean of its divisors is an integer number (163649808).

Almost surely, 2^2351400491 is an apocalyptic number.

2351400491 is a deficient number, since it is larger than the sum of its proper divisors (266996437).

2351400491 is a wasteful number, since it uses less digits than its factorization.

2351400491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2351400491 is about 48491.2413843985. The cubic root of 2351400491 is about 1329.7669501398.

The spelling of 2351400491 in words is "two billion, three hundred fifty-one million, four hundred thousand, four hundred ninety-one".