61246533313 has 32 divisors (see below), whose sum is σ = 72692989952. Its totient is φ = 50495788800.

The previous prime is 61246533211. The next prime is 61246533323. The reversal of 61246533313 is 31333564216.

61246533313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61246533313 - 2¹³ = 61246525121 is a prime.

It is a super-2 number, since 2×61246533313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61246533323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43039720 + ... + 43041142.

It is an arithmetic number, because the mean of its divisors is an integer number (2271655936).

Almost surely, 2^61246533313 is an apocalyptic number.

It is an amenable number.

61246533313 is a deficient number, since it is larger than the sum of its proper divisors (11446456639).

61246533313 is a wasteful number, since it uses less digits than its factorization.

61246533313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525.

The product of its digits is 116640, while the sum is 37.

The spelling of 61246533313 in words is "sixty-one billion, two hundred forty-six million, five hundred thirty-three thousand, three hundred thirteen".