2393781494 has 16 divisors (see below), whose sum is σ = 3924595248. Its totient is φ = 1088331552.

The previous prime is 2393781479. The next prime is 2393781497. The reversal of 2393781494 is 4941873932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393781497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685337 + ... + 688820.

It is an arithmetic number, because the mean of its divisors is an integer number (245287203).

Almost surely, 2^2393781494 is an apocalyptic number.

2393781494 is a deficient number, since it is larger than the sum of its proper divisors (1530813754).

2393781494 is a wasteful number, since it uses less digits than its factorization.

2393781494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374239.

The product of its digits is 1306368, while the sum is 50.

The square root of 2393781494 is about 48926.2863295386. The cubic root of 2393781494 is about 1337.7085464430.

The spelling of 2393781494 in words is "two billion, three hundred ninety-three million, seven hundred eighty-one thousand, four hundred ninety-four".