38720214973499 has 2 divisors, whose sum is σ = 38720214973500. Its totient is φ = 38720214973498.

The previous prime is 38720214973367. The next prime is 38720214973549. The reversal of 38720214973499 is 99437941202783.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38720214973499 - 2⁸ = 38720214973243 is a prime.

It is not a weakly prime, because it can be changed into another prime (38720214975499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19360107486749 + 19360107486750.

It is an arithmetic number, because the mean of its divisors is an integer number (19360107486750).

Almost surely, 2^{38720214973499} is an apocalyptic number.

38720214973499 is a deficient number, since it is larger than the sum of its proper divisors (1).

38720214973499 is an equidigital number, since it uses as much as digits as its factorization.

38720214973499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 68.

The spelling of 38720214973499 in words is "thirty-eight trillion, seven hundred twenty billion, two hundred fourteen million, nine hundred seventy-three thousand, four hundred ninety-nine".