52100544989 has 2 divisors, whose sum is σ = 52100544990. Its totient is φ = 52100544988.

The previous prime is 52100544961. The next prime is 52100545073. The reversal of 52100544989 is 98944500125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48754848025 + 3345696964 = 220805^2 + 57842^2 .

It is a cyclic number.

It is not a de Polignac number, because 52100544989 - 2²⁰ = 52099496413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52100544919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26050272494 + 26050272495.

It is an arithmetic number, because the mean of its divisors is an integer number (26050272495).

Almost surely, 2^52100544989 is an apocalyptic number.

It is an amenable number.

52100544989 is a deficient number, since it is larger than the sum of its proper divisors (1).

52100544989 is an equidigital number, since it uses as much as digits as its factorization.

52100544989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 52100544989 in words is "fifty-two billion, one hundred million, five hundred forty-four thousand, nine hundred eighty-nine".