2519484891 has 128 divisors (see below), whose sum is σ = 4499712000. Its totient is φ = 1241856000.

The previous prime is 2519484889. The next prime is 2519484893. The reversal of 2519484891 is 1984849152.

2519484891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2519484889) and next prime (2519484893).

It is not a de Polignac number, because 2519484891 - 2¹ = 2519484889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2519484893) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28308775 + ... + 28308863.

It is an arithmetic number, because the mean of its divisors is an integer number (35154000).

Almost surely, 2^2519484891 is an apocalyptic number.

2519484891 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2519484891 is a deficient number, since it is larger than the sum of its proper divisors (1980227109).

2519484891 is a wasteful number, since it uses less digits than its factorization.

2519484891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 212 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 2519484891 is about 50194.4707213852. The cubic root of 2519484891 is about 1360.7256959970.

The spelling of 2519484891 in words is "two billion, five hundred nineteen million, four hundred eighty-four thousand, eight hundred ninety-one".