2043379946 has 4 divisors (see below), whose sum is σ = 3065069922. Its totient is φ = 1021689972.

The previous prime is 2043379931. The next prime is 2043379969. The reversal of 2043379946 is 6499733402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1713049321 + 330330625 = 41389^2 + 18175^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2043379946.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510844985 + ... + 510844988.

Almost surely, 2^2043379946 is an apocalyptic number.

2043379946 is a deficient number, since it is larger than the sum of its proper divisors (1021689976).

2043379946 is a wasteful number, since it uses less digits than its factorization.

2043379946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021689975.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 2043379946 is about 45203.7603081868. The cubic root of 2043379946 is about 1268.9651904940.

The spelling of 2043379946 in words is "two billion, forty-three million, three hundred seventy-nine thousand, nine hundred forty-six".