376965478649 has 2 divisors, whose sum is σ = 376965478650. Its totient is φ = 376965478648.

The previous prime is 376965478613. The next prime is 376965478739. The reversal of 376965478649 is 946874569673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290055490624 + 86909988025 = 538568^2 + 294805^2 .

It is a cyclic number.

It is not a de Polignac number, because 376965478649 - 2¹⁶ = 376965413113 is a prime.

It is not a weakly prime, because it can be changed into another prime (376965478349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188482739324 + 188482739325.

It is an arithmetic number, because the mean of its divisors is an integer number (188482739325).

Almost surely, 2^376965478649 is an apocalyptic number.

It is an amenable number.

376965478649 is a deficient number, since it is larger than the sum of its proper divisors (1).

376965478649 is an equidigital number, since it uses as much as digits as its factorization.

376965478649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1646023680, while the sum is 74.

The spelling of 376965478649 in words is "three hundred seventy-six billion, nine hundred sixty-five million, four hundred seventy-eight thousand, six hundred forty-nine".