38401125662443 has 2 divisors, whose sum is σ = 38401125662444. Its totient is φ = 38401125662442.

The previous prime is 38401125662437. The next prime is 38401125662447. The reversal of 38401125662443 is 34426652110483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38401125662443 - 2⁹ = 38401125661931 is a prime.

It is not a weakly prime, because it can be changed into another prime (38401125662447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200562831221 + 19200562831222.

It is an arithmetic number, because the mean of its divisors is an integer number (19200562831222).

Almost surely, 2^{38401125662443} is an apocalyptic number.

38401125662443 is a deficient number, since it is larger than the sum of its proper divisors (1).

38401125662443 is an equidigital number, since it uses as much as digits as its factorization.

38401125662443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 38401125662443 in words is "thirty-eight trillion, four hundred one billion, one hundred twenty-five million, six hundred sixty-two thousand, four hundred forty-three".