2798421051 has 32 divisors (see below), whose sum is σ = 4027719168. Its totient is φ = 1721914880.

The previous prime is 2798421007. The next prime is 2798421079. The reversal of 2798421051 is 1501248972.

It is a cyclic number.

It is not a de Polignac number, because 2798421051 - 2⁷ = 2798420923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2798421151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 711376 + ... + 715298.

It is an arithmetic number, because the mean of its divisors is an integer number (125866224).

Almost surely, 2^2798421051 is an apocalyptic number.

2798421051 is a deficient number, since it is larger than the sum of its proper divisors (1229298117).

2798421051 is a wasteful number, since it uses less digits than its factorization.

2798421051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2798421051 is about 52900.1044516927. The cubic root of 2798421051 is about 1409.1947602809.

The spelling of 2798421051 in words is "two billion, seven hundred ninety-eight million, four hundred twenty-one thousand, fifty-one".