61743317263 has 8 divisors (see below), whose sum is σ = 68816081520. Its totient is φ = 55052864640.

The previous prime is 61743317243. The next prime is 61743317281. The reversal of 61743317263 is 36271334716.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61743317263 - 2¹⁷ = 61743186191 is a prime.

It is a super-2 number, since 2×61743317263² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61743317203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95577568 + ... + 95578213.

It is an arithmetic number, because the mean of its divisors is an integer number (8602010190).

Almost surely, 2^61743317263 is an apocalyptic number.

61743317263 is a deficient number, since it is larger than the sum of its proper divisors (7072764257).

61743317263 is a wasteful number, since it uses less digits than its factorization.

61743317263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191155817.

The product of its digits is 381024, while the sum is 43.

The spelling of 61743317263 in words is "sixty-one billion, seven hundred forty-three million, three hundred seventeen thousand, two hundred sixty-three".