2974428261 has 24 divisors (see below), whose sum is σ = 5042878464. Its totient is φ = 1653734880.

The previous prime is 2974428253. The next prime is 2974428311. The reversal of 2974428261 is 1628244792.

It is not a de Polignac number, because 2974428261 - 2³ = 2974428253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2974428251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635685 + ... + 640346.

It is an arithmetic number, because the mean of its divisors is an integer number (210119936).

Almost surely, 2^2974428261 is an apocalyptic number.

2974428261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2974428261 is a deficient number, since it is larger than the sum of its proper divisors (2068450203).

2974428261 is a wasteful number, since it uses less digits than its factorization.

2974428261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276081 (or 1276078 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2974428261 is about 54538.3191985232. The cubic root of 2974428261 is about 1438.1400016057.

The spelling of 2974428261 in words is "two billion, nine hundred seventy-four million, four hundred twenty-eight thousand, two hundred sixty-one".