2642666234 has 16 divisors (see below), whose sum is σ = 4373044200. Its totient is φ = 1189943040.

The previous prime is 2642666219. The next prime is 2642666249. The reversal of 2642666234 is 4326662462.

It is an interprime number because it is at equal distance from previous prime (2642666219) and next prime (2642666249).

It can be written as a sum of positive squares in 4 ways, for example, as 1281425209 + 1361241025 = 35797^2 + 36895^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 2642666191 and 2642666200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238459 + ... + 1240590.

Almost surely, 2^2642666234 is an apocalyptic number.

2642666234 is a deficient number, since it is larger than the sum of its proper divisors (1730377966).

2642666234 is a wasteful number, since it uses less digits than its factorization.

2642666234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479105.

The product of its digits is 497664, while the sum is 41.

The square root of 2642666234 is about 51406.8695214949. The cubic root of 2642666234 is about 1382.5497623208.

The spelling of 2642666234 in words is "two billion, six hundred forty-two million, six hundred sixty-six thousand, two hundred thirty-four".