2799121537 has 8 divisors (see below), whose sum is σ = 2907781632. Its totient is φ = 2692384800.

The previous prime is 2799121517. The next prime is 2799121541. The reversal of 2799121537 is 7351219972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2799121537 - 2¹¹ = 2799119489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799121517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477873 + ... + 483694.

It is an arithmetic number, because the mean of its divisors is an integer number (363472704).

Almost surely, 2^2799121537 is an apocalyptic number.

It is an amenable number.

2799121537 is a deficient number, since it is larger than the sum of its proper divisors (108660095).

2799121537 is an equidigital number, since it uses as much as digits as its factorization.

2799121537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961679.

The product of its digits is 238140, while the sum is 46.

The square root of 2799121537 is about 52906.7248750100. The cubic root of 2799121537 is about 1409.3123312052.

The spelling of 2799121537 in words is "two billion, seven hundred ninety-nine million, one hundred twenty-one thousand, five hundred thirty-seven".