2489137290 has 60 divisors (see below), whose sum is σ = 6696833814. Its totient is φ = 663391296.

The previous prime is 2489137279. The next prime is 2489137291. The reversal of 2489137290 is 927319842.

2489137290 is a `hidden beast` number, since 2 + 489 + 13 + 72 + 90 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 553049289 + 1936088001 = 23517^2 + 44001^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2489137291) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1419054 + ... + 1420806.

Almost surely, 2^2489137290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489137290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348416907).

2489137290 is an abundant number, since it is smaller than the sum of its proper divisors (4207696524).

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

2489137290 is an frugal number, since it uses more digits than its factorization.

2489137290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2489137290 is about 49891.2546444765. The cubic root of 2489137290 is about 1355.2402255601.

The spelling of 2489137290 in words is "two billion, four hundred eighty-nine million, one hundred thirty-seven thousand, two hundred ninety".