61260577633 has 4 divisors (see below), whose sum is σ = 61948898820. Its totient is φ = 60572256448.

The previous prime is 61260577621. The next prime is 61260577649. The reversal of 61260577633 is 33677506216.

61260577633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41870572129 + 19390005504 = 204623^2 + 139248^2 .

It is a cyclic number.

It is not a de Polignac number, because 61260577633 - 2⁹ = 61260577121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61261577633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344160460 + ... + 344160637.

It is an arithmetic number, because the mean of its divisors is an integer number (15487224705).

Almost surely, 2^61260577633 is an apocalyptic number.

It is an amenable number.

61260577633 is a deficient number, since it is larger than the sum of its proper divisors (688321187).

61260577633 is an equidigital number, since it uses as much as digits as its factorization.

61260577633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688321186.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 61260577633 in words is "sixty-one billion, two hundred sixty million, five hundred seventy-seven thousand, six hundred thirty-three".