38913243041 has 2 divisors, whose sum is σ = 38913243042. Its totient is φ = 38913243040.

The previous prime is 38913242971. The next prime is 38913243073. The reversal of 38913243041 is 14034231983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37298810641 + 1614432400 = 193129^2 + 40180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38913243041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38913242986 and 38913243004.

It is not a weakly prime, because it can be changed into another prime (38913273041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19456621520 + 19456621521.

It is an arithmetic number, because the mean of its divisors is an integer number (19456621521).

Almost surely, 2^38913243041 is an apocalyptic number.

It is an amenable number.

38913243041 is a deficient number, since it is larger than the sum of its proper divisors (1).

38913243041 is an equidigital number, since it uses as much as digits as its factorization.

38913243041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 38913243041 in words is "thirty-eight billion, nine hundred thirteen million, two hundred forty-three thousand, forty-one".