2609434990 has 32 divisors (see below), whose sum is σ = 4871759904. Its totient is φ = 1005494400.

The previous prime is 2609434987. The next prime is 2609434991. The reversal of 2609434990 is 994349062.

2609434990 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 2609434990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609434991) 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, 2457 + ... + 72283.

It is an arithmetic number, because the mean of its divisors is an integer number (152242497).

Almost surely, 2^2609434990 is an apocalyptic number.

2609434990 is a deficient number, since it is larger than the sum of its proper divisors (2262324914).

2609434990 is a wasteful number, since it uses less digits than its factorization.

2609434990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69972.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 2609434990 is about 51082.6290435408. The cubic root of 2609434990 is about 1376.7301618597.

The spelling of 2609434990 in words is "two billion, six hundred nine million, four hundred thirty-four thousand, nine hundred ninety".