376351649 has 2 divisors, whose sum is σ = 376351650. Its totient is φ = 376351648.

The previous prime is 376351621. The next prime is 376351693. The reversal of 376351649 is 946153673.

It is a happy number.

It is an a-pointer prime, because the next prime (376351693) can be obtained adding 376351649 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 333318049 + 43033600 = 18257^2 + 6560^2 .

It is an emirp because it is prime and its reverse (946153673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 376351649 - 2¹² = 376347553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (376351249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188175824 + 188175825.

It is an arithmetic number, because the mean of its divisors is an integer number (188175825).

Almost surely, 2^376351649 is an apocalyptic number.

It is an amenable number.

376351649 is a deficient number, since it is larger than the sum of its proper divisors (1).

376351649 is an equidigital number, since it uses as much as digits as its factorization.

376351649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 376351649 is about 19399.7847668473. The cubic root of 376351649 is about 721.9901530260.

The spelling of 376351649 in words is "three hundred seventy-six million, three hundred fifty-one thousand, six hundred forty-nine".