2649489234 has 64 divisors (see below), whose sum is σ = 6145155072. Its totient is φ = 745920000.

The previous prime is 2649489233. The next prime is 2649489251. The reversal of 2649489234 is 4329849462.

It is not an unprimeable number, because it can be changed into a prime (2649489233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021279 + ... + 1023869.

It is an arithmetic number, because the mean of its divisors is an integer number (96018048).

Almost surely, 2^2649489234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649489234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072577536).

2649489234 is an abundant number, since it is smaller than the sum of its proper divisors (3495665838).

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

2649489234 is a wasteful number, since it uses less digits than its factorization.

2649489234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its digits is 2985984, while the sum is 51.

The square root of 2649489234 is about 51473.1894679162. The cubic root of 2649489234 is about 1383.7385907571.

The spelling of 2649489234 in words is "two billion, six hundred forty-nine million, four hundred eighty-nine thousand, two hundred thirty-four".