61444226033 has 2 divisors, whose sum is σ = 61444226034. Its totient is φ = 61444226032.

The previous prime is 61444226023. The next prime is 61444226059. The reversal of 61444226033 is 33062244416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61299817744 + 144408289 = 247588^2 + 12017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61444226033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61444225984 and 61444226002.

It is not a weakly prime, because it can be changed into another prime (61444226023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30722113016 + 30722113017.

It is an arithmetic number, because the mean of its divisors is an integer number (30722113017).

Almost surely, 2^61444226033 is an apocalyptic number.

It is an amenable number.

61444226033 is a deficient number, since it is larger than the sum of its proper divisors (1).

61444226033 is an equidigital number, since it uses as much as digits as its factorization.

61444226033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 61444226033 in words is "sixty-one billion, four hundred forty-four million, two hundred twenty-six thousand, thirty-three".