61442672833 has 2 divisors, whose sum is σ = 61442672834. Its totient is φ = 61442672832.

The previous prime is 61442672827. The next prime is 61442672839. The reversal of 61442672833 is 33827624416.

It is a balanced prime because it is at equal distance from previous prime (61442672827) and next prime (61442672839).

It can be written as a sum of positive squares in only one way, i.e., 34233510529 + 27209162304 = 185023^2 + 164952^2 .

It is a cyclic number.

It is not a de Polignac number, because 61442672833 - 2⁵ = 61442672801 is a prime.

It is not a weakly prime, because it can be changed into another prime (61442672839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30721336416 + 30721336417.

It is an arithmetic number, because the mean of its divisors is an integer number (30721336417).

Almost surely, 2^61442672833 is an apocalyptic number.

It is an amenable number.

61442672833 is a deficient number, since it is larger than the sum of its proper divisors (1).

61442672833 is an equidigital number, since it uses as much as digits as its factorization.

61442672833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 46.

The spelling of 61442672833 in words is "sixty-one billion, four hundred forty-two million, six hundred seventy-two thousand, eight hundred thirty-three".