2569050421 has 16 divisors (see below), whose sum is σ = 3110140800. Its totient is φ = 2071595520.

The previous prime is 2569050391. The next prime is 2569050427. The reversal of 2569050421 is 1240509652.

It is a happy number.

It is not a de Polignac number, because 2569050421 - 2¹⁹ = 2568526133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569050427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436305 + ... + 442153.

It is an arithmetic number, because the mean of its divisors is an integer number (194383800).

Almost surely, 2^2569050421 is an apocalyptic number.

It is an amenable number.

2569050421 is a deficient number, since it is larger than the sum of its proper divisors (541090379).

2569050421 is a wasteful number, since it uses less digits than its factorization.

2569050421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2569050421 is about 50685.8009801562. The cubic root of 2569050421 is about 1369.5909448840.

The spelling of 2569050421 in words is "two billion, five hundred sixty-nine million, fifty thousand, four hundred twenty-one".