42745530599 has 2 divisors, whose sum is σ = 42745530600. Its totient is φ = 42745530598.

The previous prime is 42745530559. The next prime is 42745530631. The reversal of 42745530599 is 99503554724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42745530599 is a prime.

It is a super-3 number, since 3×42745530599³ (a number of 33 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42745530599.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42745530559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21372765299 + 21372765300.

It is an arithmetic number, because the mean of its divisors is an integer number (21372765300).

Almost surely, 2^42745530599 is an apocalyptic number.

42745530599 is a deficient number, since it is larger than the sum of its proper divisors (1).

42745530599 is an equidigital number, since it uses as much as digits as its factorization.

42745530599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 42745530599 in words is "forty-two billion, seven hundred forty-five million, five hundred thirty thousand, five hundred ninety-nine".