61045142633 has 2 divisors, whose sum is σ = 61045142634. Its totient is φ = 61045142632.

The previous prime is 61045142581. The next prime is 61045142657. The reversal of 61045142633 is 33624154016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60904316944 + 140825689 = 246788^2 + 11867^2 .

It is a cyclic number.

It is not a de Polignac number, because 61045142633 - 2¹⁰ = 61045141609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61045142593 and 61045142602.

It is not a weakly prime, because it can be changed into another prime (61045142933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30522571316 + 30522571317.

It is an arithmetic number, because the mean of its divisors is an integer number (30522571317).

Almost surely, 2^61045142633 is an apocalyptic number.

It is an amenable number.

61045142633 is a deficient number, since it is larger than the sum of its proper divisors (1).

61045142633 is an equidigital number, since it uses as much as digits as its factorization.

61045142633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 61045142633 its reverse (33624154016), we get a palindrome (94669296649).

The spelling of 61045142633 in words is "sixty-one billion, forty-five million, one hundred forty-two thousand, six hundred thirty-three".