2492743678 has 8 divisors (see below), whose sum is σ = 3762055368. Its totient is φ = 1238725224.

The previous prime is 2492743621. The next prime is 2492743699. The reversal of 2492743678 is 8763472942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822901 + ... + 3823552.

It is an arithmetic number, because the mean of its divisors is an integer number (470256921).

Almost surely, 2^2492743678 is an apocalyptic number.

2492743678 is a deficient number, since it is larger than the sum of its proper divisors (1269311690).

2492743678 is a wasteful number, since it uses less digits than its factorization.

2492743678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646618.

The product of its digits is 4064256, while the sum is 52.

The square root of 2492743678 is about 49927.3840492369. The cubic root of 2492743678 is about 1355.8944232446.

The spelling of 2492743678 in words is "two billion, four hundred ninety-two million, seven hundred forty-three thousand, six hundred seventy-eight".