2799730389 has 16 divisors (see below), whose sum is σ = 3932167680. Its totient is φ = 1767026160.

The previous prime is 2799730379. The next prime is 2799730429. The reversal of 2799730389 is 9830379972.

It is not a de Polignac number, because 2799730389 - 2⁷ = 2799730261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799730379) 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, 69874 + ... + 102380.

It is an arithmetic number, because the mean of its divisors is an integer number (245760480).

Almost surely, 2^2799730389 is an apocalyptic number.

It is an amenable number.

2799730389 is a deficient number, since it is larger than the sum of its proper divisors (1132437291).

2799730389 is a wasteful number, since it uses less digits than its factorization.

2799730389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34040.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The square root of 2799730389 is about 52912.4785754740. The cubic root of 2799730389 is about 1409.4145061690.

The spelling of 2799730389 in words is "two billion, seven hundred ninety-nine million, seven hundred thirty thousand, three hundred eighty-nine".