2494701638 has 32 divisors (see below), whose sum is σ = 4405151520. Its totient is φ = 1044610560.

The previous prime is 2494701623. The next prime is 2494701641. The reversal of 2494701638 is 8361074942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137006 + ... + 154142.

It is an arithmetic number, because the mean of its divisors is an integer number (137660985).

Almost surely, 2^2494701638 is an apocalyptic number.

2494701638 is a deficient number, since it is larger than the sum of its proper divisors (1910449882).

2494701638 is a wasteful number, since it uses less digits than its factorization.

2494701638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17672.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2494701638 is about 49946.9882775729. The cubic root of 2494701638 is about 1356.2493323476.

The spelling of 2494701638 in words is "two billion, four hundred ninety-four million, seven hundred one thousand, six hundred thirty-eight".