2492643942 has 24 divisors (see below), whose sum is σ = 5600756616. Its totient is φ = 830881152.

The previous prime is 2492643899. The next prime is 2492643949. The reversal of 2492643942 is 2493462942.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2492643949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2563963 + ... + 2564934.

It is an arithmetic number, because the mean of its divisors is an integer number (233364859).

Almost surely, 2^2492643942 is an apocalyptic number.

2492643942 is an abundant number, since it is smaller than the sum of its proper divisors (3108112674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2492643942 is an equidigital number, since it uses as much as digits as its factorization.

2492643942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128914 (or 5128902 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 2492643942 is about 49926.3852286544. The cubic root of 2492643942 is about 1355.8763396512.

The spelling of 2492643942 in words is "two billion, four hundred ninety-two million, six hundred forty-three thousand, nine hundred forty-two".