2562889066 has 8 divisors (see below), whose sum is σ = 3844795140. Its totient is φ = 1281290688.

The previous prime is 2562889061. The next prime is 2562889073. The reversal of 2562889066 is 6609882652.

It can be written as a sum of positive squares in 2 ways, for example, as 2517932041 + 44957025 = 50179^2 + 6705^2 .

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

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2562889061) 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, 54831 + ... + 90178.

Almost surely, 2^2562889066 is an apocalyptic number.

2562889066 is a deficient number, since it is larger than the sum of its proper divisors (1281906074).

2562889066 is a wasteful number, since it uses less digits than its factorization.

2562889066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153848.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 2562889066 is about 50624.9846024668. The cubic root of 2562889066 is about 1368.4951715198.

The spelling of 2562889066 in words is "two billion, five hundred sixty-two million, eight hundred eighty-nine thousand, sixty-six".