38197858590673 has 2 divisors, whose sum is σ = 38197858590674. Its totient is φ = 38197858590672.

The previous prime is 38197858590667. The next prime is 38197858590721. The reversal of 38197858590673 is 37609585879183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25403444673489 + 12794413917184 = 5040183^2 + 3576928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38197858590673 is a prime.

It is a super-2 number, since 2×38197858590673² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38197858590593 and 38197858590602.

It is not a weakly prime, because it can be changed into another prime (38197858590173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19098929295336 + 19098929295337.

It is an arithmetic number, because the mean of its divisors is an integer number (19098929295337).

Almost surely, 2^{38197858590673} is an apocalyptic number.

It is an amenable number.

38197858590673 is a deficient number, since it is larger than the sum of its proper divisors (1).

38197858590673 is an equidigital number, since it uses as much as digits as its factorization.

38197858590673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2743372800, while the sum is 79.

The spelling of 38197858590673 in words is "thirty-eight trillion, one hundred ninety-seven billion, eight hundred fifty-eight million, five hundred ninety thousand, six hundred seventy-three".