61274344347199 has 2 divisors, whose sum is σ = 61274344347200. Its totient is φ = 61274344347198.

The previous prime is 61274344347193. The next prime is 61274344347241. The reversal of 61274344347199 is 99174344347216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61274344347199 - 2²¹ = 61274342250047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61274344347199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61274344347193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30637172173599 + 30637172173600.

It is an arithmetic number, because the mean of its divisors is an integer number (30637172173600).

Almost surely, 2^{61274344347199} is an apocalyptic number.

61274344347199 is a deficient number, since it is larger than the sum of its proper divisors (1).

61274344347199 is an equidigital number, since it uses as much as digits as its factorization.

61274344347199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 64.

The spelling of 61274344347199 in words is "sixty-one trillion, two hundred seventy-four billion, three hundred forty-four million, three hundred forty-seven thousand, one hundred ninety-nine".