2490187734 has 12 divisors (see below), whose sum is σ = 5395406796. Its totient is φ = 830062572.

The previous prime is 2490187729. The next prime is 2490187741. The reversal of 2490187734 is 4377810942.

It is a self number, because there is not a number n which added to its sum of digits gives 2490187734.

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 5 ways as a sum of consecutive naturals, for example, 69171864 + ... + 69171899.

It is an arithmetic number, because the mean of its divisors is an integer number (449617233).

Almost surely, 2^2490187734 is an apocalyptic number.

2490187734 is an abundant number, since it is smaller than the sum of its proper divisors (2905219062).

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

2490187734 is a wasteful number, since it uses less digits than its factorization.

2490187734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138343771 (or 138343768 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 2490187734 is about 49901.7808700251. The cubic root of 2490187734 is about 1355.4308409669.

The spelling of 2490187734 in words is "two billion, four hundred ninety million, one hundred eighty-seven thousand, seven hundred thirty-four".