2973643942 has 4 divisors (see below), whose sum is σ = 4460465916. Its totient is φ = 1486821970.

The previous prime is 2973643901. The next prime is 2973643949. The reversal of 2973643942 is 2493463792.

2973643942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973643949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743410984 + ... + 743410987.

It is an arithmetic number, because the mean of its divisors is an integer number (1115116479).

Almost surely, 2^2973643942 is an apocalyptic number.

2973643942 is a deficient number, since it is larger than the sum of its proper divisors (1486821974).

2973643942 is a wasteful number, since it uses less digits than its factorization.

2973643942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486821973.

The product of its digits is 1959552, while the sum is 49.

The square root of 2973643942 is about 54531.1281929872. The cubic root of 2973643942 is about 1438.0135840686.

The spelling of 2973643942 in words is "two billion, nine hundred seventy-three million, six hundred forty-three thousand, nine hundred forty-two".