61013767403 has 2 divisors, whose sum is σ = 61013767404. Its totient is φ = 61013767402.

The previous prime is 61013767369. The next prime is 61013767439. The reversal of 61013767403 is 30476731016.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61013767403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61013767483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30506883701 + 30506883702.

It is an arithmetic number, because the mean of its divisors is an integer number (30506883702).

Almost surely, 2^61013767403 is an apocalyptic number.

61013767403 is a deficient number, since it is larger than the sum of its proper divisors (1).

61013767403 is an equidigital number, since it uses as much as digits as its factorization.

61013767403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 61013767403 in words is "sixty-one billion, thirteen million, seven hundred sixty-seven thousand, four hundred three".