2653972739 has 8 divisors (see below), whose sum is σ = 2919172080. Its totient is φ = 2412701280.

The previous prime is 2653972723. The next prime is 2653972747. The reversal of 2653972739 is 9372793562.

It is not a de Polignac number, because 2653972739 - 2⁴ = 2653972723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2653972639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995654 + ... + 998315.

It is an arithmetic number, because the mean of its divisors is an integer number (364896510).

Almost surely, 2^2653972739 is an apocalyptic number.

2653972739 is a deficient number, since it is larger than the sum of its proper divisors (265199341).

2653972739 is an equidigital number, since it uses as much as digits as its factorization.

2653972739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994002 (or 1993980 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 53.

The square root of 2653972739 is about 51516.7229062564. The cubic root of 2653972739 is about 1384.5186785564.

The spelling of 2653972739 in words is "two billion, six hundred fifty-three million, nine hundred seventy-two thousand, seven hundred thirty-nine".