4631355161 has 4 divisors (see below), whose sum is σ = 4638237492. Its totient is φ = 4624472832.

The previous prime is 4631355103. The next prime is 4631355163. The reversal of 4631355161 is 1615531364.

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 1178617561 + 3452737600 = 34331^2 + 58760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4631355161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4631355163) 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, 3440156 + ... + 3441501.

It is an arithmetic number, because the mean of its divisors is an integer number (1159559373).

Almost surely, 2^4631355161 is an apocalyptic number.

It is an amenable number.

4631355161 is a deficient number, since it is larger than the sum of its proper divisors (6882331).

4631355161 is an equidigital number, since it uses as much as digits as its factorization.

4631355161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882330.

The product of its digits is 32400, while the sum is 35.

The square root of 4631355161 is about 68054.0605768679. The cubic root of 4631355161 is about 1666.8737047112.

The spelling of 4631355161 in words is "four billion, six hundred thirty-one million, three hundred fifty-five thousand, one hundred sixty-one".