2559406974 has 16 divisors (see below), whose sum is σ = 5138734608. Its totient is φ = 849815552.

The previous prime is 2559406973. The next prime is 2559406979. The reversal of 2559406974 is 4796049552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559406973) 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, 828357 + ... + 831440.

It is an arithmetic number, because the mean of its divisors is an integer number (321170913).

Almost surely, 2^2559406974 is an apocalyptic number.

2559406974 is an abundant number, since it is smaller than the sum of its proper divisors (2579327634).

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

2559406974 is a wasteful number, since it uses less digits than its factorization.

2559406974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660059.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The square root of 2559406974 is about 50590.5818705419. The cubic root of 2559406974 is about 1367.8751179134.

The spelling of 2559406974 in words is "two billion, five hundred fifty-nine million, four hundred six thousand, nine hundred seventy-four".