2492874782942 has 4 divisors (see below), whose sum is σ = 3739312174416. Its totient is φ = 1246437391470.

The previous prime is 2492874782891. The next prime is 2492874782947.

2492874782942 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×2492874782942² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492874782947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623218695734 + ... + 623218695737.

It is an arithmetic number, because the mean of its divisors is an integer number (934828043604).

Almost surely, 2^{2492874782942} is an apocalyptic number.

2492874782942 is a deficient number, since it is larger than the sum of its proper divisors (1246437391474).

2492874782942 is a wasteful number, since it uses less digits than its factorization.

2492874782942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246437391473.

The product of its digits is 260112384, while the sum is 68.

The spelling of 2492874782942 in words is "two trillion, four hundred ninety-two billion, eight hundred seventy-four million, seven hundred eighty-two thousand, nine hundred forty-two".