4635156961 has 4 divisors (see below), whose sum is σ = 4641944112. Its totient is φ = 4628369812.

The previous prime is 4635156959. The next prime is 4635157013. The reversal of 4635156961 is 1696515364.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4635156961 - 2¹ = 4635156959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4635156161) 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, 3392551 + ... + 3393916.

It is an arithmetic number, because the mean of its divisors is an integer number (1160486028).

Almost surely, 2^4635156961 is an apocalyptic number.

It is an amenable number.

4635156961 is a deficient number, since it is larger than the sum of its proper divisors (6787151).

4635156961 is an equidigital number, since it uses as much as digits as its factorization.

4635156961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787150.

The product of its digits is 583200, while the sum is 46.

The square root of 4635156961 is about 68081.9870523768. The cubic root of 4635156961 is about 1667.3296826420.

It can be divided in two parts, 4635 and 156961, that added together give a triangular number (161596 = T₅₆₈).

The spelling of 4635156961 in words is "four billion, six hundred thirty-five million, one hundred fifty-six thousand, nine hundred sixty-one".