1838045953 has 2 divisors, whose sum is σ = 1838045954. Its totient is φ = 1838045952.

The previous prime is 1838045947. The next prime is 1838045969. The reversal of 1838045953 is 3595408381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1648928449 + 189117504 = 40607^2 + 13752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1838045953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1838045983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919022976 + 919022977.

It is an arithmetic number, because the mean of its divisors is an integer number (919022977).

Almost surely, 2^1838045953 is an apocalyptic number.

It is an amenable number.

1838045953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838045953 is an equidigital number, since it uses as much as digits as its factorization.

1838045953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 1838045953 is about 42872.4381508680. The cubic root of 1838045953 is about 1224.9512023877.

The spelling of 1838045953 in words is "one billion, eight hundred thirty-eight million, forty-five thousand, nine hundred fifty-three".