100540064303989 has 2 divisors, whose sum is σ = 100540064303990. Its totient is φ = 100540064303988.

The previous prime is 100540064303893. The next prime is 100540064303993. The reversal of 100540064303989 is 989303460045001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72165585671089 + 28374478632900 = 8495033^2 + 5326770^2 .

It is a cyclic number.

It is not a de Polignac number, because 100540064303989 - 2⁹ = 100540064303477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100540064303089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50270032151994 + 50270032151995.

It is an arithmetic number, because the mean of its divisors is an integer number (50270032151995).

Almost surely, 2^{100540064303989} is an apocalyptic number.

It is an amenable number.

100540064303989 is a deficient number, since it is larger than the sum of its proper divisors (1).

100540064303989 is an equidigital number, since it uses as much as digits as its factorization.

100540064303989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 100540064303989 in words is "one hundred trillion, five hundred forty billion, sixty-four million, three hundred three thousand, nine hundred eighty-nine".