2538769890 has 32 divisors (see below), whose sum is σ = 6103797120. Its totient is φ = 675810944.

The previous prime is 2538769889. The next prime is 2538769927. The reversal of 2538769890 is 989678352.

2538769890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2538769890² = 12890705108741224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2538769890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57294 + ... + 91433.

It is an arithmetic number, because the mean of its divisors is an integer number (190743660).

Almost surely, 2^2538769890 is an apocalyptic number.

2538769890 is an abundant number, since it is smaller than the sum of its proper divisors (3565027230).

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

2538769890 is a wasteful number, since it uses less digits than its factorization.

2538769890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149306.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The square root of 2538769890 is about 50386.2073389137. The cubic root of 2538769890 is about 1364.1886952537.

The spelling of 2538769890 in words is "two billion, five hundred thirty-eight million, seven hundred sixty-nine thousand, eight hundred ninety".