34555466721 has 48 divisors (see below), whose sum is σ = 51093346880. Its totient is φ = 20748856320.

The previous prime is 34555466683. The next prime is 34555466741. The reversal of 34555466721 is 12766455543.

It is not a de Polignac number, because 34555466721 - 2¹⁰ = 34555465697 is a prime.

It is a super-2 number, since 2×34555466721² (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 (34555466741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1947990 + ... + 1965648.

Almost surely, 2^34555466721 is an apocalyptic number.

It is an amenable number.

34555466721 is a deficient number, since it is larger than the sum of its proper divisors (16537880159).

34555466721 is a wasteful number, since it uses less digits than its factorization.

34555466721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17794 (or 17777 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 48.

The spelling of 34555466721 in words is "thirty-four billion, five hundred fifty-five million, four hundred sixty-six thousand, seven hundred twenty-one".