2921109290 has 16 divisors (see below), whose sum is σ = 5735996640. Its totient is φ = 1062221520.

The previous prime is 2921109283. The next prime is 2921109299. The reversal of 2921109290 is 929011292.

2921109290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2921109290.

It is not an unprimeable number, because it can be changed into a prime (2921109299) 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, 13277660 + ... + 13277879.

It is an arithmetic number, because the mean of its divisors is an integer number (358499790).

Almost surely, 2^2921109290 is an apocalyptic number.

2921109290 is a deficient number, since it is larger than the sum of its proper divisors (2814887350).

2921109290 is a wasteful number, since it uses less digits than its factorization.

2921109290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26555557.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 2921109290 is about 54047.2875360087. The cubic root of 2921109290 is about 1429.4948726947.

It can be divided in two parts, 2921 and 109290, that added together give a palindrome (112211).

The spelling of 2921109290 in words is "two billion, nine hundred twenty-one million, one hundred nine thousand, two hundred ninety".