2571869890 has 16 divisors (see below), whose sum is σ = 4830643008. Its totient is φ = 984019696.

The previous prime is 2571869873. The next prime is 2571869893. The reversal of 2571869890 is 989681752.

2571869890 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 2×2571869890² = 13229029462177224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571869893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590792 + ... + 5591251.

It is an arithmetic number, because the mean of its divisors is an integer number (301915188).

Almost surely, 2^2571869890 is an apocalyptic number.

2571869890 is a deficient number, since it is larger than the sum of its proper divisors (2258773118).

2571869890 is a wasteful number, since it uses less digits than its factorization.

2571869890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11182073.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 2571869890 is about 50713.6065568206. The cubic root of 2571869890 is about 1370.0917923827.

The spelling of 2571869890 in words is "two billion, five hundred seventy-one million, eight hundred sixty-nine thousand, eight hundred ninety".