2390981290 has 8 divisors (see below), whose sum is σ = 4303766340. Its totient is φ = 956392512.

The previous prime is 2390981287. The next prime is 2390981291. The reversal of 2390981290 is 921890932.

2390981290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2056713201 + 334268089 = 45351^2 + 18283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2390981291) 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, 119549055 + ... + 119549074.

Almost surely, 2^2390981290 is an apocalyptic number.

2390981290 is a deficient number, since it is larger than the sum of its proper divisors (1912785050).

2390981290 is a wasteful number, since it uses less digits than its factorization.

2390981290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239098136.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2390981290 is about 48897.6613960218. The cubic root of 2390981290 is about 1337.1867335158.

The spelling of 2390981290 in words is "two billion, three hundred ninety million, nine hundred eighty-one thousand, two hundred ninety".