375779149 has 2 divisors, whose sum is σ = 375779150. Its totient is φ = 375779148.

The previous prime is 375779137. The next prime is 375779177. The reversal of 375779149 is 941977573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362140900 + 13638249 = 19030^2 + 3693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375779149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 375779096 and 375779105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375779189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187889574 + 187889575.

It is an arithmetic number, because the mean of its divisors is an integer number (187889575).

Almost surely, 2^375779149 is an apocalyptic number.

It is an amenable number.

375779149 is a deficient number, since it is larger than the sum of its proper divisors (1).

375779149 is an equidigital number, since it uses as much as digits as its factorization.

375779149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 52.

The square root of 375779149 is about 19385.0238328458. The cubic root of 375779149 is about 721.6238740159.

The spelling of 375779149 in words is "three hundred seventy-five million, seven hundred seventy-nine thousand, one hundred forty-nine".