38414168477 has 2 divisors, whose sum is σ = 38414168478. Its totient is φ = 38414168476.

The previous prime is 38414168423. The next prime is 38414168483. The reversal of 38414168477 is 77486141483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35637510841 + 2776657636 = 188779^2 + 52694^2 .

It is a cyclic number.

It is not a de Polignac number, because 38414168477 - 2²² = 38409974173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38414168077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19207084238 + 19207084239.

It is an arithmetic number, because the mean of its divisors is an integer number (19207084239).

Almost surely, 2^38414168477 is an apocalyptic number.

It is an amenable number.

38414168477 is a deficient number, since it is larger than the sum of its proper divisors (1).

38414168477 is an equidigital number, since it uses as much as digits as its factorization.

38414168477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 53.

The spelling of 38414168477 in words is "thirty-eight billion, four hundred fourteen million, one hundred sixty-eight thousand, four hundred seventy-seven".