94145003549 has 2 divisors, whose sum is σ = 94145003550. Its totient is φ = 94145003548.

The previous prime is 94145003539. The next prime is 94145003587. The reversal of 94145003549 is 94530054149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85173504025 + 8971499524 = 291845^2 + 94718^2 .

It is an emirp because it is prime and its reverse (94530054149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94145003549 - 2²⁰ = 94143954973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94145003539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47072501774 + 47072501775.

It is an arithmetic number, because the mean of its divisors is an integer number (47072501775).

Almost surely, 2^94145003549 is an apocalyptic number.

It is an amenable number.

94145003549 is a deficient number, since it is larger than the sum of its proper divisors (1).

94145003549 is an equidigital number, since it uses as much as digits as its factorization.

94145003549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 94145003549 in words is "ninety-four billion, one hundred forty-five million, three thousand, five hundred forty-nine".