375147869 has 2 divisors, whose sum is σ = 375147870. Its totient is φ = 375147868.

The previous prime is 375147859. The next prime is 375147911. The reversal of 375147869 is 968741573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242206969 + 132940900 = 15563^2 + 11530^2 .

It is a cyclic number.

It is not a de Polignac number, because 375147869 - 2¹² = 375143773 is a prime.

It is a super-2 number, since 2×375147869² = 281471847230482322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375147809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187573934 + 187573935.

It is an arithmetic number, because the mean of its divisors is an integer number (187573935).

Almost surely, 2^375147869 is an apocalyptic number.

It is an amenable number.

375147869 is a deficient number, since it is larger than the sum of its proper divisors (1).

375147869 is an equidigital number, since it uses as much as digits as its factorization.

375147869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 50.

The square root of 375147869 is about 19368.7343159020. The cubic root of 375147869 is about 721.2195566989.

The spelling of 375147869 in words is "three hundred seventy-five million, one hundred forty-seven thousand, eight hundred sixty-nine".