377690149 has 2 divisors, whose sum is σ = 377690150. Its totient is φ = 377690148.

The previous prime is 377690147. The next prime is 377690177. The reversal of 377690149 is 941096773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260661025 + 117029124 = 16145^2 + 10818^2 .

It is a cyclic number.

It is not a de Polignac number, because 377690149 - 2¹ = 377690147 is a prime.

Together with 377690147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 377690099 and 377690108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (377690141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188845074 + 188845075.

It is an arithmetic number, because the mean of its divisors is an integer number (188845075).

Almost surely, 2^377690149 is an apocalyptic number.

It is an amenable number.

377690149 is a deficient number, since it is larger than the sum of its proper divisors (1).

377690149 is an equidigital number, since it uses as much as digits as its factorization.

377690149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 377690149 is about 19434.2519537028. The cubic root of 377690149 is about 722.8450630798.

The spelling of 377690149 in words is "three hundred seventy-seven million, six hundred ninety thousand, one hundred forty-nine".