61028456633 has 2 divisors, whose sum is σ = 61028456634. Its totient is φ = 61028456632.

The previous prime is 61028456563. The next prime is 61028456669. The reversal of 61028456633 is 33665482016.

It is a happy number.

61028456633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59999522704 + 1028933929 = 244948^2 + 32077^2 .

It is a cyclic number.

It is not a de Polignac number, because 61028456633 - 2¹⁶ = 61028391097 is a prime.

It is not a weakly prime, because it can be changed into another prime (61028456693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30514228316 + 30514228317.

It is an arithmetic number, because the mean of its divisors is an integer number (30514228317).

Almost surely, 2^61028456633 is an apocalyptic number.

It is an amenable number.

61028456633 is a deficient number, since it is larger than the sum of its proper divisors (1).

61028456633 is an equidigital number, since it uses as much as digits as its factorization.

61028456633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 61028456633 in words is "sixty-one billion, twenty-eight million, four hundred fifty-six thousand, six hundred thirty-three".