4623612157 has 4 divisors (see below), whose sum is σ = 4643456220. Its totient is φ = 4603768096.

The previous prime is 4623612143. The next prime is 4623612173. The reversal of 4623612157 is 7512163264.

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 2836521081 + 1787091076 = 53259^2 + 42274^2 .

It is a cyclic number.

It is not a de Polignac number, because 4623612157 - 2¹¹ = 4623610109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623612457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9921682 + ... + 9922147.

It is an arithmetic number, because the mean of its divisors is an integer number (1160864055).

Almost surely, 2^4623612157 is an apocalyptic number.

It is an amenable number.

4623612157 is a deficient number, since it is larger than the sum of its proper divisors (19844063).

4623612157 is a wasteful number, since it uses less digits than its factorization.

4623612157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19844062.

The product of its digits is 60480, while the sum is 37.

The square root of 4623612157 is about 67997.1481534336. The cubic root of 4623612157 is about 1665.9442568708.

The spelling of 4623612157 in words is "four billion, six hundred twenty-three million, six hundred twelve thousand, one hundred fifty-seven".