38331046477 has 2 divisors, whose sum is σ = 38331046478. Its totient is φ = 38331046476.

The previous prime is 38331046459. The next prime is 38331046487. The reversal of 38331046477 is 77464013383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27200585476 + 11130461001 = 164926^2 + 105501^2 .

It is an emirp because it is prime and its reverse (77464013383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38331046477 - 2³¹ = 36183562829 is a prime.

It is a super-2 number, since 2×38331046477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38331046447) 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, 19165523238 + 19165523239.

It is an arithmetic number, because the mean of its divisors is an integer number (19165523239).

Almost surely, 2^38331046477 is an apocalyptic number.

It is an amenable number.

38331046477 is a deficient number, since it is larger than the sum of its proper divisors (1).

38331046477 is an equidigital number, since it uses as much as digits as its factorization.

38331046477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 38331046477 in words is "thirty-eight billion, three hundred thirty-one million, forty-six thousand, four hundred seventy-seven".