615747612063043 has 2 divisors, whose sum is σ = 615747612063044. Its totient is φ = 615747612063042.

The previous prime is 615747612063041. The next prime is 615747612063149. The reversal of 615747612063043 is 340360216747516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 615747612063043 - 2¹ = 615747612063041 is a prime.

It is a super-3 number, since 3×615747612063043³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 615747612063041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (615747612063041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307873806031521 + 307873806031522.

It is an arithmetic number, because the mean of its divisors is an integer number (307873806031522).

Almost surely, 2^{615747612063043} is an apocalyptic number.

615747612063043 is a deficient number, since it is larger than the sum of its proper divisors (1).

615747612063043 is an equidigital number, since it uses as much as digits as its factorization.

615747612063043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 615747612063043 in words is "six hundred fifteen trillion, seven hundred forty-seven billion, six hundred twelve million, sixty-three thousand, forty-three".