2123274946 has 32 divisors (see below), whose sum is σ = 3637767168. Its totient is φ = 921983040.

The previous prime is 2123274943. The next prime is 2123274953. The reversal of 2123274946 is 6494723212.

It is a super-2 number, since 2×2123274946² = 9016592992622605832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2123274899 and 2123274908.

It is not an unprimeable number, because it can be changed into a prime (2123274943) 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 15 ways as a sum of consecutive naturals, for example, 7375 + ... + 65581.

It is an arithmetic number, because the mean of its divisors is an integer number (113680224).

Almost surely, 2^2123274946 is an apocalyptic number.

2123274946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2123274946 is a deficient number, since it is larger than the sum of its proper divisors (1514492222).

2123274946 is a wasteful number, since it uses less digits than its factorization.

2123274946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58306.

The product of its digits is 145152, while the sum is 40.

The square root of 2123274946 is about 46079.0076499050. The cubic root of 2123274946 is about 1285.2928109845.

The spelling of 2123274946 in words is "two billion, one hundred twenty-three million, two hundred seventy-four thousand, nine hundred forty-six".