40101521983 has 2 divisors, whose sum is σ = 40101521984. Its totient is φ = 40101521982.

The previous prime is 40101521963. The next prime is 40101522007. The reversal of 40101521983 is 38912510104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40101521983 - 2²¹ = 40099424831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40101521903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20050760991 + 20050760992.

It is an arithmetic number, because the mean of its divisors is an integer number (20050760992).

Almost surely, 2^40101521983 is an apocalyptic number.

40101521983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40101521983 is an equidigital number, since it uses as much as digits as its factorization.

40101521983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 40101521983 in words is "forty billion, one hundred one million, five hundred twenty-one thousand, nine hundred eighty-three".