2494639965 has 16 divisors (see below), whose sum is σ = 3994695936. Its totient is φ = 1329384000.

The previous prime is 2494639951. The next prime is 2494639981. The reversal of 2494639965 is 5699364942.

It is not a de Polignac number, because 2494639965 - 2¹⁴ = 2494623581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49086 + ... + 86015.

It is an arithmetic number, because the mean of its divisors is an integer number (249668496).

Almost surely, 2^2494639965 is an apocalyptic number.

It is an amenable number.

2494639965 is a deficient number, since it is larger than the sum of its proper divisors (1500055971).

2494639965 is a wasteful number, since it uses less digits than its factorization.

2494639965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136340.

The product of its digits is 12597120, while the sum is 57.

The square root of 2494639965 is about 49946.3708891847. The cubic root of 2494639965 is about 1356.2381560406.

The spelling of 2494639965 in words is "two billion, four hundred ninety-four million, six hundred thirty-nine thousand, nine hundred sixty-five".