375816949 has 2 divisors, whose sum is σ = 375816950. Its totient is φ = 375816948.

The previous prime is 375816929. The next prime is 375817009. The reversal of 375816949 is 949618573.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253382724 + 122434225 = 15918^2 + 11065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375816949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 375816896 and 375816905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375816929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187908474 + 187908475.

It is an arithmetic number, because the mean of its divisors is an integer number (187908475).

Almost surely, 2^375816949 is an apocalyptic number.

It is an amenable number.

375816949 is a deficient number, since it is larger than the sum of its proper divisors (1).

375816949 is an equidigital number, since it uses as much as digits as its factorization.

375816949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 375816949 is about 19385.9987877850. The cubic root of 375816949 is about 721.6480694935.

The spelling of 375816949 in words is "three hundred seventy-five million, eight hundred sixteen thousand, nine hundred forty-nine".