2493978716 has 12 divisors (see below), whose sum is σ = 4424250432. Its totient is φ = 1229907168.

The previous prime is 2493978713. The next prime is 2493978811. The reversal of 2493978716 is 6178793942.

It is a super-2 number, since 2×2493978716² = 12439859671722017312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2493978713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270220 + ... + 4270803.

It is an arithmetic number, because the mean of its divisors is an integer number (368687536).

Almost surely, 2^2493978716 is an apocalyptic number.

It is an amenable number.

2493978716 is a deficient number, since it is larger than the sum of its proper divisors (1930271716).

2493978716 is a wasteful number, since it uses less digits than its factorization.

2493978716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541100 (or 8541098 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 56.

The square root of 2493978716 is about 49939.7508604118. The cubic root of 2493978716 is about 1356.1183137137.

The spelling of 2493978716 in words is "two billion, four hundred ninety-three million, nine hundred seventy-eight thousand, seven hundred sixteen".