2674747261 has 2 divisors, whose sum is σ = 2674747262. Its totient is φ = 2674747260.

The previous prime is 2674747219. The next prime is 2674747307. The reversal of 2674747261 is 1627474762.

It is an a-pointer prime, because the next prime (2674747307) can be obtained adding 2674747261 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2590199236 + 84548025 = 50894^2 + 9195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2674747261 - 2²¹ = 2672650109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2674747561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1337373630 + 1337373631.

It is an arithmetic number, because the mean of its divisors is an integer number (1337373631).

Almost surely, 2^2674747261 is an apocalyptic number.

It is an amenable number.

2674747261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2674747261 is an equidigital number, since it uses as much as digits as its factorization.

2674747261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 46.

The square root of 2674747261 is about 51717.9587860929. The cubic root of 2674747261 is about 1388.1218290706.

The spelling of 2674747261 in words is "two billion, six hundred seventy-four million, seven hundred forty-seven thousand, two hundred sixty-one".