2630460891 has 8 divisors (see below), whose sum is σ = 3581904384. Its totient is φ = 1716329000.

The previous prime is 2630460857. The next prime is 2630460919. The reversal of 2630460891 is 1980640362.

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 2630460891 - 2⁶ = 2630460827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630460991) 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, 9327735 + ... + 9328016.

It is an arithmetic number, because the mean of its divisors is an integer number (447738048).

Almost surely, 2^2630460891 is an apocalyptic number.

2630460891 is a deficient number, since it is larger than the sum of its proper divisors (951443493).

2630460891 is a wasteful number, since it uses less digits than its factorization.

2630460891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18655801.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 2630460891 is about 51288.0189810447. The cubic root of 2630460891 is about 1380.4180087410.

The spelling of 2630460891 in words is "two billion, six hundred thirty million, four hundred sixty thousand, eight hundred ninety-one".