61474819927 has 2 divisors, whose sum is σ = 61474819928. Its totient is φ = 61474819926.

The previous prime is 61474819921. The next prime is 61474819937. The reversal of 61474819927 is 72991847416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61474819927 - 2¹¹ = 61474817879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61474819921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30737409963 + 30737409964.

It is an arithmetic number, because the mean of its divisors is an integer number (30737409964).

Almost surely, 2^61474819927 is an apocalyptic number.

61474819927 is a deficient number, since it is larger than the sum of its proper divisors (1).

61474819927 is an equidigital number, since it uses as much as digits as its factorization.

61474819927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 58.

The spelling of 61474819927 in words is "sixty-one billion, four hundred seventy-four million, eight hundred nineteen thousand, nine hundred twenty-seven".