61344178271713 has 4 divisors (see below), whose sum is σ = 61344213719040. Its totient is φ = 61344142824388.

The previous prime is 61344178271669. The next prime is 61344178271723. The reversal of 61344178271713 is 31717287144316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61344178271713 - 2²⁹ = 61343641400801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61344178271723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14986945 + ... + 18635902.

It is an arithmetic number, because the mean of its divisors is an integer number (15336053429760).

Almost surely, 2^{61344178271713} is an apocalyptic number.

It is an amenable number.

61344178271713 is a deficient number, since it is larger than the sum of its proper divisors (35447327).

61344178271713 is a wasteful number, since it uses less digits than its factorization.

61344178271713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35447326.

The product of its digits is 4741632, while the sum is 55.

The spelling of 61344178271713 in words is "sixty-one trillion, three hundred forty-four billion, one hundred seventy-eight million, two hundred seventy-one thousand, seven hundred thirteen".