2649422658 has 16 divisors (see below), whose sum is σ = 5481564480. Its totient is φ = 852687696.

The previous prime is 2649422651. The next prime is 2649422663. The reversal of 2649422658 is 8562249462.

It is not an unprimeable number, because it can be changed into a prime (2649422651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613110 + ... + 7613457.

It is an arithmetic number, because the mean of its divisors is an integer number (342597780).

Almost surely, 2^2649422658 is an apocalyptic number.

2649422658 is an abundant number, since it is smaller than the sum of its proper divisors (2832141822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649422658 is a wasteful number, since it uses less digits than its factorization.

2649422658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226601.

The product of its digits is 1658880, while the sum is 48.

The square root of 2649422658 is about 51472.5427582512. The cubic root of 2649422658 is about 1383.7270005292.

The spelling of 2649422658 in words is "two billion, six hundred forty-nine million, four hundred twenty-two thousand, six hundred fifty-eight".