2123950408 has 16 divisors (see below), whose sum is σ = 4057547580. Its totient is φ = 1041937728.

The previous prime is 2123950393. The next prime is 2123950421. The reversal of 2123950408 is 8040593212.

It can be written as a sum of positive squares in 2 ways, for example, as 2094160644 + 29789764 = 45762^2 + 5458^2 .

It is a super-2 number, since 2×2123950408² = 9022330671286732928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2504235 + ... + 2505082.

Almost surely, 2^2123950408 is an apocalyptic number.

It is an amenable number.

2123950408 is a deficient number, since it is larger than the sum of its proper divisors (1933597172).

2123950408 is a wasteful number, since it uses less digits than its factorization.

2123950408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009376 (or 5009372 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2123950408 is about 46086.3364566983. The cubic root of 2123950408 is about 1285.4290901492.

The spelling of 2123950408 in words is "two billion, one hundred twenty-three million, nine hundred fifty thousand, four hundred eight".