2079417921 has 32 divisors (see below), whose sum is σ = 3235815168. Its totient is φ = 1163289600.

The previous prime is 2079417911. The next prime is 2079417947. The reversal of 2079417921 is 1297149702.

It is not a de Polignac number, because 2079417921 - 2⁷ = 2079417793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2079417911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205071 + ... + 214971.

It is an arithmetic number, because the mean of its divisors is an integer number (101119224).

Almost surely, 2^2079417921 is an apocalyptic number.

2079417921 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2079417921 is a deficient number, since it is larger than the sum of its proper divisors (1156397247).

2079417921 is a wasteful number, since it uses less digits than its factorization.

2079417921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10121.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2079417921 is about 45600.6350942616. The cubic root of 2079417921 is about 1276.3817742487.

The spelling of 2079417921 in words is "two billion, seventy-nine million, four hundred seventeen thousand, nine hundred twenty-one".