4542121622403 has 12 divisors (see below), whose sum is σ = 6577368399888. Its totient is φ = 3020453670960.

The previous prime is 4542121622393. The next prime is 4542121622477. The reversal of 4542121622403 is 3042261212454.

4542121622403 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 1 + 21 + 622 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 4542121622403 - 2⁴ = 4542121622387 is a prime.

It is a super-2 number, since 2×4542121622403² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4542121622483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635613783 + ... + 635620928.

It is an arithmetic number, because the mean of its divisors is an integer number (548114033324).

Almost surely, 2^{4542121622403} is an apocalyptic number.

4542121622403 is a deficient number, since it is larger than the sum of its proper divisors (2035246777485).

4542121622403 is a wasteful number, since it uses less digits than its factorization.

4542121622403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271235114 (or 1271235111 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 4542121622403 its reverse (3042261212454), we get a palindrome (7584382834857).

The spelling of 4542121622403 in words is "four trillion, five hundred forty-two billion, one hundred twenty-one million, six hundred twenty-two thousand, four hundred three".