1942979430 has 32 divisors (see below), whose sum is σ = 5329315584. Its totient is φ = 444109536.

The previous prime is 1942979411. The next prime is 1942979447. The reversal of 1942979430 is 349792491.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1942979430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4625932 + ... + 4626351.

It is an arithmetic number, because the mean of its divisors is an integer number (166541112).

Almost surely, 2^1942979430 is an apocalyptic number.

1942979430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1942979430 is an abundant number, since it is smaller than the sum of its proper divisors (3386336154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1942979430 is a wasteful number, since it uses less digits than its factorization.

1942979430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252300.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 1942979430 is about 44079.2403518935. The cubic root of 1942979430 is about 1247.8318532193.

The spelling of 1942979430 in words is "one billion, nine hundred forty-two million, nine hundred seventy-nine thousand, four hundred thirty".