38870407783723 has 2 divisors, whose sum is σ = 38870407783724. Its totient is φ = 38870407783722.

The previous prime is 38870407783577. The next prime is 38870407783741. The reversal of 38870407783723 is 32738770407883.

It is a strong prime.

It is an emirp because it is prime and its reverse (32738770407883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38870407783723 is a prime.

It is not a weakly prime, because it can be changed into another prime (38870407763723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19435203891861 + 19435203891862.

It is an arithmetic number, because the mean of its divisors is an integer number (19435203891862).

Almost surely, 2^{38870407783723} is an apocalyptic number.

38870407783723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38870407783723 is an equidigital number, since it uses as much as digits as its factorization.

38870407783723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 265531392, while the sum is 67.

The spelling of 38870407783723 in words is "thirty-eight trillion, eight hundred seventy billion, four hundred seven million, seven hundred eighty-three thousand, seven hundred twenty-three".