4620957561 has 48 divisors (see below), whose sum is σ = 7765692480. Its totient is φ = 2616744960.

The previous prime is 4620957559. The next prime is 4620957563. The reversal of 4620957561 is 1657590264.

It is an interprime number because it is at equal distance from previous prime (4620957559) and next prime (4620957563).

It is not a de Polignac number, because 4620957561 - 2¹ = 4620957559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4620957563) 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 47 ways as a sum of consecutive naturals, for example, 224061 + ... + 243813.

It is an arithmetic number, because the mean of its divisors is an integer number (161785260).

Almost surely, 2^4620957561 is an apocalyptic number.

It is an amenable number.

4620957561 is a deficient number, since it is larger than the sum of its proper divisors (3144734919).

4620957561 is a wasteful number, since it uses less digits than its factorization.

4620957561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19926 (or 19923 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 4620957561 is about 67977.6254439650. The cubic root of 4620957561 is about 1665.6253679848.

The spelling of 4620957561 in words is "four billion, six hundred twenty million, nine hundred fifty-seven thousand, five hundred sixty-one".