61013861347 has 2 divisors, whose sum is σ = 61013861348. Its totient is φ = 61013861346.

The previous prime is 61013861341. The next prime is 61013861411. The reversal of 61013861347 is 74316831016.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61013861347 is a prime.

It is not a weakly prime, because it can be changed into another prime (61013861341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30506930673 + 30506930674.

It is an arithmetic number, because the mean of its divisors is an integer number (30506930674).

Almost surely, 2^61013861347 is an apocalyptic number.

61013861347 is a deficient number, since it is larger than the sum of its proper divisors (1).

61013861347 is an equidigital number, since it uses as much as digits as its factorization.

61013861347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 61013861347 in words is "sixty-one billion, thirteen million, eight hundred sixty-one thousand, three hundred forty-seven".