61028454583 has 2 divisors, whose sum is σ = 61028454584. Its totient is φ = 61028454582.

The previous prime is 61028454563. The next prime is 61028454593. The reversal of 61028454583 is 38545482016.

61028454583 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61028454583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61028454533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30514227291 + 30514227292.

It is an arithmetic number, because the mean of its divisors is an integer number (30514227292).

Almost surely, 2^61028454583 is an apocalyptic number.

61028454583 is a deficient number, since it is larger than the sum of its proper divisors (1).

61028454583 is an equidigital number, since it uses as much as digits as its factorization.

61028454583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 61028454583 in words is "sixty-one billion, twenty-eight million, four hundred fifty-four thousand, five hundred eighty-three".