1846253749 has 2 divisors, whose sum is σ = 1846253750. Its totient is φ = 1846253748.

The previous prime is 1846253641. The next prime is 1846253753. The reversal of 1846253749 is 9473526481.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1396516900 + 449736849 = 37370^2 + 21207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1846253749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1846253449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923126874 + 923126875.

It is an arithmetic number, because the mean of its divisors is an integer number (923126875).

Almost surely, 2^1846253749 is an apocalyptic number.

It is an amenable number.

1846253749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1846253749 is an equidigital number, since it uses as much as digits as its factorization.

1846253749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 1846253749 is about 42968.0549827427. The cubic root of 1846253749 is about 1226.7718353222.

The spelling of 1846253749 in words is "one billion, eight hundred forty-six million, two hundred fifty-three thousand, seven hundred forty-nine".