5612121604 has 6 divisors (see below), whose sum is σ = 9821212814. Its totient is φ = 2806060800.

The previous prime is 5612121569. The next prime is 5612121607. The reversal of 5612121604 is 4061212165.

It can be written as a sum of positive squares in only one way, i.e., 4071716100 + 1540405504 = 63810^2 + 39248^2 .

It is not an unprimeable number, because it can be changed into a prime (5612121607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701515197 + ... + 701515204.

Almost surely, 2^5612121604 is an apocalyptic number.

It is an amenable number.

5612121604 is a deficient number, since it is larger than the sum of its proper divisors (4209091210).

5612121604 is a wasteful number, since it uses less digits than its factorization.

5612121604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403030405 (or 1403030403 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 5612121604 is about 74914.0948286769. The cubic root of 5612121604 is about 1777.0883682936.

Adding to 5612121604 its reverse (4061212165), we get a palindrome (9673333769).

The spelling of 5612121604 in words is "five billion, six hundred twelve million, one hundred twenty-one thousand, six hundred four".