60413075981 has 4 divisors (see below), whose sum is σ = 60453541692. Its totient is φ = 60372610272.

The previous prime is 60413075953. The next prime is 60413076029. The reversal of 60413075981 is 18957031406.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18957031406 = 2 ⋅9478515703.

It can be written as a sum of positive squares in 2 ways, for example, as 41970077956 + 18442998025 = 204866^2 + 135805^2 .

It is a cyclic number.

It is not a de Polignac number, because 60413075981 - 2²² = 60408881677 is a prime.

It is a super-2 number, since 2×60413075981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60413075881) 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, 20230616 + ... + 20233601.

It is an arithmetic number, because the mean of its divisors is an integer number (15113385423).

Almost surely, 2^60413075981 is an apocalyptic number.

It is an amenable number.

60413075981 is a deficient number, since it is larger than the sum of its proper divisors (40465711).

60413075981 is a wasteful number, since it uses less digits than its factorization.

60413075981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40465710.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 60413075981 in words is "sixty billion, four hundred thirteen million, seventy-five thousand, nine hundred eighty-one".