60571099409 has 4 divisors (see below), whose sum is σ = 60572778804. Its totient is φ = 60569420016.

The previous prime is 60571099339. The next prime is 60571099411. The reversal of 60571099409 is 90499017506.

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 25715329600 + 34855769809 = 160360^2 + 186697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60571099409 is a prime.

It is a super-2 number, since 2×60571099409² (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 (60571099109) 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, 784382 + ... + 858135.

It is an arithmetic number, because the mean of its divisors is an integer number (15143194701).

Almost surely, 2^60571099409 is an apocalyptic number.

It is an amenable number.

60571099409 is a deficient number, since it is larger than the sum of its proper divisors (1679395).

60571099409 is a wasteful number, since it uses less digits than its factorization.

60571099409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679394.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 60571099409 in words is "sixty billion, five hundred seventy-one million, ninety-nine thousand, four hundred nine".