61729026703 has 2 divisors, whose sum is σ = 61729026704. Its totient is φ = 61729026702.

The previous prime is 61729026647. The next prime is 61729026707. The reversal of 61729026703 is 30762092716.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61729026703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61729026703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61729026707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30864513351 + 30864513352.

It is an arithmetic number, because the mean of its divisors is an integer number (30864513352).

Almost surely, 2^61729026703 is an apocalyptic number.

61729026703 is a deficient number, since it is larger than the sum of its proper divisors (1).

61729026703 is an equidigital number, since it uses as much as digits as its factorization.

61729026703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 61729026703 in words is "sixty-one billion, seven hundred twenty-nine million, twenty-six thousand, seven hundred three".