2393954947 has 4 divisors (see below), whose sum is σ = 2394152640. Its totient is φ = 2393757256.

The previous prime is 2393954911. The next prime is 2393954963. The reversal of 2393954947 is 7494593932.

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

It is a cyclic number.

It is not a de Polignac number, because 2393954947 - 2³¹ = 246471299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2393951947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79408 + ... + 105325.

It is an arithmetic number, because the mean of its divisors is an integer number (598538160).

Almost surely, 2^2393954947 is an apocalyptic number.

2393954947 is a deficient number, since it is larger than the sum of its proper divisors (197693).

2393954947 is a wasteful number, since it uses less digits than its factorization.

2393954947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197692.

The product of its digits is 7348320, while the sum is 55.

The square root of 2393954947 is about 48928.0588926232. The cubic root of 2393954947 is about 1337.7408557072.

The spelling of 2393954947 in words is "two billion, three hundred ninety-three million, nine hundred fifty-four thousand, nine hundred forty-seven".