38401640473043 has 2 divisors, whose sum is σ = 38401640473044. Its totient is φ = 38401640473042.

The previous prime is 38401640473013. The next prime is 38401640473099. The reversal of 38401640473043 is 34037404610483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38401640473043 - 2²⁶ = 38401573364179 is a prime.

It is not a weakly prime, because it can be changed into another prime (38401640473013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200820236521 + 19200820236522.

It is an arithmetic number, because the mean of its divisors is an integer number (19200820236522).

Almost surely, 2^{38401640473043} is an apocalyptic number.

38401640473043 is a deficient number, since it is larger than the sum of its proper divisors (1).

38401640473043 is an equidigital number, since it uses as much as digits as its factorization.

38401640473043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 38401640473043 in words is "thirty-eight trillion, four hundred one billion, six hundred forty million, four hundred seventy-three thousand, forty-three".