2499769386 has 96 divisors (see below), whose sum is σ = 5872780368. Its totient is φ = 765573120.

The previous prime is 2499769381. The next prime is 2499769427. The reversal of 2499769386 is 6839679942.

2499769386 is a `hidden beast` number, since 2 + 499 + 7 + 69 + 3 + 86 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 156725361 + 2343044025 = 12519^2 + 48405^2 .

It is not an unprimeable number, because it can be changed into a prime (2499769381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2930136 + ... + 2930988.

Almost surely, 2^2499769386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499769386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2936390184).

2499769386 is an abundant number, since it is smaller than the sum of its proper divisors (3373010982).

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

2499769386 is a wasteful number, since it uses less digits than its factorization.

2499769386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1093 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 2499769386 is about 49997.6938068147. The cubic root of 2499769386 is about 1357.1670748339.

The spelling of 2499769386 in words is "two billion, four hundred ninety-nine million, seven hundred sixty-nine thousand, three hundred eighty-six".