38464004827021 has 2 divisors, whose sum is σ = 38464004827022. Its totient is φ = 38464004827020.

The previous prime is 38464004826991. The next prime is 38464004827051. The reversal of 38464004827021 is 12072840046483.

It is a balanced prime because it is at equal distance from previous prime (38464004826991) and next prime (38464004827051).

It can be written as a sum of positive squares in only one way, i.e., 20349021758121 + 18114983068900 = 4510989^2 + 4256170^2 .

It is an emirp because it is prime and its reverse (12072840046483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38464004827021 - 2⁹ = 38464004826509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38464004827051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19232002413510 + 19232002413511.

It is an arithmetic number, because the mean of its divisors is an integer number (19232002413511).

Almost surely, 2^{38464004827021} is an apocalyptic number.

It is an amenable number.

38464004827021 is a deficient number, since it is larger than the sum of its proper divisors (1).

38464004827021 is an equidigital number, since it uses as much as digits as its factorization.

38464004827021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 38464004827021 in words is "thirty-eight trillion, four hundred sixty-four billion, four million, eight hundred twenty-seven thousand, twenty-one".