4374624661 has 4 divisors (see below), whose sum is σ = 4772317824. Its totient is φ = 3976931500.

The previous prime is 4374624659. The next prime is 4374624677. The reversal of 4374624661 is 1664264734.

It is a happy number.

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 4374624661 - 2¹ = 4374624659 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4374624461) 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, 198846565 + ... + 198846586.

It is an arithmetic number, because the mean of its divisors is an integer number (1193079456).

Almost surely, 2^4374624661 is an apocalyptic number.

It is an amenable number.

4374624661 is a deficient number, since it is larger than the sum of its proper divisors (397693163).

4374624661 is a wasteful number, since it uses less digits than its factorization.

4374624661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397693162.

The product of its digits is 580608, while the sum is 43.

The square root of 4374624661 is about 66140.9454196113. The cubic root of 4374624661 is about 1635.4863819945.

The spelling of 4374624661 in words is "four billion, three hundred seventy-four million, six hundred twenty-four thousand, six hundred sixty-one".