61726361783 has 2 divisors, whose sum is σ = 61726361784. Its totient is φ = 61726361782.

The previous prime is 61726361771. The next prime is 61726361819. The reversal of 61726361783 is 38716362716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61726361783 - 2¹² = 61726357687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61726361743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30863180891 + 30863180892.

It is an arithmetic number, because the mean of its divisors is an integer number (30863180892).

Almost surely, 2^61726361783 is an apocalyptic number.

61726361783 is a deficient number, since it is larger than the sum of its proper divisors (1).

61726361783 is an equidigital number, since it uses as much as digits as its factorization.

61726361783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The spelling of 61726361783 in words is "sixty-one billion, seven hundred twenty-six million, three hundred sixty-one thousand, seven hundred eighty-three".