4035081337921 has 2 divisors, whose sum is σ = 4035081337922. Its totient is φ = 4035081337920.

The previous prime is 4035081337907. The next prime is 4035081337951. The reversal of 4035081337921 is 1297331805304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3321961890625 + 713119447296 = 1822625^2 + 844464^2 .

It is a cyclic number.

It is not a de Polignac number, because 4035081337921 - 2⁹ = 4035081337409 is a prime.

It is not a weakly prime, because it can be changed into another prime (4035081337951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2017540668960 + 2017540668961.

It is an arithmetic number, because the mean of its divisors is an integer number (2017540668961).

Almost surely, 2^{4035081337921} is an apocalyptic number.

It is an amenable number.

4035081337921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4035081337921 is an equidigital number, since it uses as much as digits as its factorization.

4035081337921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 4035081337921 in words is "four trillion, thirty-five billion, eighty-one million, three hundred thirty-seven thousand, nine hundred twenty-one".