60645577013 has 12 divisors (see below), whose sum is σ = 72453570732. Its totient is φ = 50577004800.

The previous prime is 60645577009. The next prime is 60645577019. The reversal of 60645577013 is 31077554606.

It can be written as a sum of positive squares in 2 ways, for example, as 20973701329 + 39671875684 = 144823^2 + 199178^2 .

It is not a de Polignac number, because 60645577013 - 2² = 60645577009 is a prime.

It is a super-2 number, since 2×60645577013² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60645577019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16723388 + ... + 16727013.

It is an arithmetic number, because the mean of its divisors is an integer number (6037797561).

Almost surely, 2^60645577013 is an apocalyptic number.

It is an amenable number.

60645577013 is a deficient number, since it is larger than the sum of its proper divisors (11807993719).

60645577013 is a wasteful number, since it uses less digits than its factorization.

60645577013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33450452 (or 33450445 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 60645577013 in words is "sixty billion, six hundred forty-five million, five hundred seventy-seven thousand, thirteen".