463993442377 has 2 divisors, whose sum is σ = 463993442378. Its totient is φ = 463993442376.

The previous prime is 463993442371. The next prime is 463993442399. The reversal of 463993442377 is 773244399364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341314176841 + 122679265536 = 584221^2 + 350256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-463993442377 is a prime.

It is not a weakly prime, because it can be changed into another prime (463993442371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231996721188 + 231996721189.

It is an arithmetic number, because the mean of its divisors is an integer number (231996721189).

Almost surely, 2^463993442377 is an apocalyptic number.

It is an amenable number.

463993442377 is a deficient number, since it is larger than the sum of its proper divisors (1).

463993442377 is an equidigital number, since it uses as much as digits as its factorization.

463993442377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82301184, while the sum is 61.

The spelling of 463993442377 in words is "four hundred sixty-three billion, nine hundred ninety-three million, four hundred forty-two thousand, three hundred seventy-seven".