38354645783 has 2 divisors, whose sum is σ = 38354645784. Its totient is φ = 38354645782.

The previous prime is 38354645767. The next prime is 38354645789. The reversal of 38354645783 is 38754645383.

It is a strong prime.

It is an emirp because it is prime and its reverse (38754645383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38354645783 - 2⁴ = 38354645767 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38354645789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19177322891 + 19177322892.

It is an arithmetic number, because the mean of its divisors is an integer number (19177322892).

Almost surely, 2^38354645783 is an apocalyptic number.

38354645783 is a deficient number, since it is larger than the sum of its proper divisors (1).

38354645783 is an equidigital number, since it uses as much as digits as its factorization.

38354645783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 56.

The spelling of 38354645783 in words is "thirty-eight billion, three hundred fifty-four million, six hundred forty-five thousand, seven hundred eighty-three".