2630291091 has 16 divisors (see below), whose sum is σ = 3545837568. Its totient is φ = 1734163200.

The previous prime is 2630291071. The next prime is 2630291093. The reversal of 2630291091 is 1901920362.

2630291091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2630291091 - 2⁷ = 2630290963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2630291093) 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, 542046 + ... + 546876.

It is an arithmetic number, because the mean of its divisors is an integer number (221614848).

Almost surely, 2^2630291091 is an apocalyptic number.

2630291091 is a deficient number, since it is larger than the sum of its proper divisors (915546477).

2630291091 is a wasteful number, since it uses less digits than its factorization.

2630291091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2630291091 is about 51286.3635969641. The cubic root of 2630291091 is about 1380.3883054519.

The spelling of 2630291091 in words is "two billion, six hundred thirty million, two hundred ninety-one thousand, ninety-one".