3474273749 has 2 divisors, whose sum is σ = 3474273750. Its totient is φ = 3474273748.

The previous prime is 3474273721. The next prime is 3474273779. The reversal of 3474273749 is 9473724743.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2081640625 + 1392633124 = 45625^2 + 37318^2 .

It is a cyclic number.

It is not a de Polignac number, because 3474273749 - 2¹² = 3474269653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3474273697 and 3474273706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3474273779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737136874 + 1737136875.

It is an arithmetic number, because the mean of its divisors is an integer number (1737136875).

Almost surely, 2^3474273749 is an apocalyptic number.

It is an amenable number.

3474273749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3474273749 is an equidigital number, since it uses as much as digits as its factorization.

3474273749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 50.

The square root of 3474273749 is about 58942.9703102923. The cubic root of 3474273749 is about 1514.5653317018.

The spelling of 3474273749 in words is "three billion, four hundred seventy-four million, two hundred seventy-three thousand, seven hundred forty-nine".