60709985281 has 8 divisors (see below), whose sum is σ = 68019050304. Its totient is φ = 53699249520.

The previous prime is 60709985279. The next prime is 60709985311. The reversal of 60709985281 is 18258990706.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60709985281 - 2¹ = 60709985279 is a prime.

It is a super-2 number, since 2×60709985281² (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 (60709983281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74581885 + ... + 74582698.

It is an arithmetic number, because the mean of its divisors is an integer number (8502381288).

Almost surely, 2^60709985281 is an apocalyptic number.

It is an amenable number.

60709985281 is a deficient number, since it is larger than the sum of its proper divisors (7309065023).

60709985281 is a wasteful number, since it uses less digits than its factorization.

60709985281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149164631.

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 60709985281 in words is "sixty billion, seven hundred nine million, nine hundred eighty-five thousand, two hundred eighty-one".