2651547849 has 16 divisors (see below), whose sum is σ = 3605107584. Its totient is φ = 1733184000.

The previous prime is 2651547823. The next prime is 2651547883. The reversal of 2651547849 is 9487451562.

It is not a de Polignac number, because 2651547849 - 2⁷ = 2651547721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2651547809) 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, 11272 + ... + 73689.

It is an arithmetic number, because the mean of its divisors is an integer number (225319224).

Almost surely, 2^2651547849 is an apocalyptic number.

It is an amenable number.

2651547849 is a deficient number, since it is larger than the sum of its proper divisors (953559735).

2651547849 is a wasteful number, since it uses less digits than its factorization.

2651547849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85168.

The product of its digits is 2419200, while the sum is 51.

The square root of 2651547849 is about 51493.1825487608. The cubic root of 2651547849 is about 1384.0968796342.

The spelling of 2651547849 in words is "two billion, six hundred fifty-one million, five hundred forty-seven thousand, eight hundred forty-nine".