61761343363 has 2 divisors, whose sum is σ = 61761343364. Its totient is φ = 61761343362.

The previous prime is 61761343339. The next prime is 61761343367. The reversal of 61761343363 is 36334316716.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61761343363 - 2¹³ = 61761335171 is a prime.

It is not a weakly prime, because it can be changed into another prime (61761343367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30880671681 + 30880671682.

It is an arithmetic number, because the mean of its divisors is an integer number (30880671682).

Almost surely, 2^61761343363 is an apocalyptic number.

61761343363 is a deficient number, since it is larger than the sum of its proper divisors (1).

61761343363 is an equidigital number, since it uses as much as digits as its factorization.

61761343363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 43.

The spelling of 61761343363 in words is "sixty-one billion, seven hundred sixty-one million, three hundred forty-three thousand, three hundred sixty-three".