61426742147 has 2 divisors, whose sum is σ = 61426742148. Its totient is φ = 61426742146.

The previous prime is 61426742131. The next prime is 61426742219. The reversal of 61426742147 is 74124762416.

61426742147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61426742147 - 2⁴ = 61426742131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61426742098 and 61426742107.

It is not a weakly prime, because it can be changed into another prime (61426742347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30713371073 + 30713371074.

It is an arithmetic number, because the mean of its divisors is an integer number (30713371074).

Almost surely, 2^61426742147 is an apocalyptic number.

61426742147 is a deficient number, since it is larger than the sum of its proper divisors (1).

61426742147 is an equidigital number, since it uses as much as digits as its factorization.

61426742147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 44.

The spelling of 61426742147 in words is "sixty-one billion, four hundred twenty-six million, seven hundred forty-two thousand, one hundred forty-seven".