61047353047 has 2 divisors, whose sum is σ = 61047353048. Its totient is φ = 61047353046.

The previous prime is 61047353033. The next prime is 61047353053. The reversal of 61047353047 is 74035374016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61047353047 - 2²³ = 61038964439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61047353347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30523676523 + 30523676524.

It is an arithmetic number, because the mean of its divisors is an integer number (30523676524).

Almost surely, 2^61047353047 is an apocalyptic number.

61047353047 is a deficient number, since it is larger than the sum of its proper divisors (1).

61047353047 is an equidigital number, since it uses as much as digits as its factorization.

61047353047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 61047353047 in words is "sixty-one billion, forty-seven million, three hundred fifty-three thousand, forty-seven".