3450136221 has 32 divisors (see below), whose sum is σ = 5858161920. Its totient is φ = 1965883392.

The previous prime is 3450136219. The next prime is 3450136267. The reversal of 3450136221 is 1226310543.

3450136221 is a `hidden beast` number, since 34 + 5 + 0 + 1 + 3 + 622 + 1 = 666.

It is not a de Polignac number, because 3450136221 - 2¹ = 3450136219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450136121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40861 + ... + 92573.

It is an arithmetic number, because the mean of its divisors is an integer number (183067560).

Almost surely, 2^3450136221 is an apocalyptic number.

It is an amenable number.

3450136221 is a deficient number, since it is larger than the sum of its proper divisors (2408025699).

3450136221 is a wasteful number, since it uses less digits than its factorization.

3450136221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52082 (or 52076 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3450136221 is about 58737.8602010662. The cubic root of 3450136221 is about 1511.0496949578.

Adding to 3450136221 its reverse (1226310543), we get a palindrome (4676446764).

The spelling of 3450136221 in words is "three billion, four hundred fifty million, one hundred thirty-six thousand, two hundred twenty-one".