4626630121 has 4 divisors (see below), whose sum is σ = 4898784852. Its totient is φ = 4354475392.

The previous prime is 4626630103. The next prime is 4626630137. The reversal of 4626630121 is 1210366264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1704038400 + 2922591721 = 41280^2 + 54061^2 .

It is a cyclic number.

It is not a de Polignac number, because 4626630121 - 2⁵ = 4626630089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4626630191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136077340 + ... + 136077373.

It is an arithmetic number, because the mean of its divisors is an integer number (1224696213).

Almost surely, 2^4626630121 is an apocalyptic number.

It is an amenable number.

4626630121 is a deficient number, since it is larger than the sum of its proper divisors (272154731).

4626630121 is a wasteful number, since it uses less digits than its factorization.

4626630121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272154730.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4626630121 is about 68019.3363757689. The cubic root of 4626630121 is about 1666.3066478686.

Adding to 4626630121 its reverse (1210366264), we get a palindrome (5836996385).

The spelling of 4626630121 in words is "four billion, six hundred twenty-six million, six hundred thirty thousand, one hundred twenty-one".