3862649894377 has 2 divisors, whose sum is σ = 3862649894378. Its totient is φ = 3862649894376.

The previous prime is 3862649894357. The next prime is 3862649894413. The reversal of 3862649894377 is 7734989462683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2767102498521 + 1095547395856 = 1663461^2 + 1046684^2 .

It is a cyclic number.

It is not a de Polignac number, because 3862649894377 - 2⁷ = 3862649894249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3862649894357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931324947188 + 1931324947189.

It is an arithmetic number, because the mean of its divisors is an integer number (1931324947189).

Almost surely, 2^{3862649894377} is an apocalyptic number.

It is an amenable number.

3862649894377 is a deficient number, since it is larger than the sum of its proper divisors (1).

3862649894377 is an equidigital number, since it uses as much as digits as its factorization.

3862649894377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2633637888, while the sum is 76.

The spelling of 3862649894377 in words is "three trillion, eight hundred sixty-two billion, six hundred forty-nine million, eight hundred ninety-four thousand, three hundred seventy-seven".