1852266749 has 2 divisors, whose sum is σ = 1852266750. Its totient is φ = 1852266748.

The previous prime is 1852266721. The next prime is 1852266809. The reversal of 1852266749 is 9476622581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387562500 + 464704249 = 37250^2 + 21557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1852266749 - 2¹⁶ = 1852201213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1852266697 and 1852266706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1852266149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926133374 + 926133375.

It is an arithmetic number, because the mean of its divisors is an integer number (926133375).

Almost surely, 2^1852266749 is an apocalyptic number.

It is an amenable number.

1852266749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1852266749 is an equidigital number, since it uses as much as digits as its factorization.

1852266749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 1852266749 is about 43037.9686904482. The cubic root of 1852266749 is about 1228.1022023484.

The spelling of 1852266749 in words is "one billion, eight hundred fifty-two million, two hundred sixty-six thousand, seven hundred forty-nine".