34974556221 has 16 divisors (see below), whose sum is σ = 52513118208. Its totient is φ = 20512935600.

The previous prime is 34974556219. The next prime is 34974556231. The reversal of 34974556221 is 12265547943.

It is not a de Polignac number, because 34974556221 - 2¹ = 34974556219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34974556231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17093091 + ... + 17095136.

It is an arithmetic number, because the mean of its divisors is an integer number (3282069888).

Almost surely, 2^34974556221 is an apocalyptic number.

34974556221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

34974556221 is a deficient number, since it is larger than the sum of its proper divisors (17538561987).

34974556221 is a wasteful number, since it uses less digits than its factorization.

34974556221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34188272.

The product of its digits is 1814400, while the sum is 48.

It can be divided in two parts, 34974 and 556221, that added together give a palindrome (591195).

The spelling of 34974556221 in words is "thirty-four billion, nine hundred seventy-four million, five hundred fifty-six thousand, two hundred twenty-one".