2699729648 has 40 divisors (see below), whose sum is σ = 6521427840. Its totient is φ = 1051842240.

The previous prime is 2699729639. The next prime is 2699729651. The reversal of 2699729648 is 8469279962.

It is a congruent number.

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, 1094438 + ... + 1096901.

It is an arithmetic number, because the mean of its divisors is an integer number (163035696).

Almost surely, 2^2699729648 is an apocalyptic number.

2699729648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2699729648 is an abundant number, since it is smaller than the sum of its proper divisors (3821698192).

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

2699729648 is a wasteful number, since it uses less digits than its factorization.

2699729648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191365 (or 2191359 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 62.

The square root of 2699729648 is about 51958.9226986088. The cubic root of 2699729648 is about 1392.4301721316.

The spelling of 2699729648 in words is "two billion, six hundred ninety-nine million, seven hundred twenty-nine thousand, six hundred forty-eight".