4291661924 has 12 divisors (see below), whose sum is σ = 8193172848. Its totient is φ = 1950755400.

The previous prime is 4291661923. The next prime is 4291661929.

4291661924 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4291661924² = 36836724139822763552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 97537771 = 4291661924 / (4 + 2 + 9 + 1 + 6 + 6 + 1 + 9 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (4291661923) 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, 48768842 + ... + 48768929.

It is an arithmetic number, because the mean of its divisors is an integer number (682764404).

Almost surely, 2^4291661924 is an apocalyptic number.

4291661924 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4291661924 is a deficient number, since it is larger than the sum of its proper divisors (3901510924).

4291661924 is a wasteful number, since it uses less digits than its factorization.

4291661924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97537786 (or 97537784 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 4291661924 is about 65510.7771591820. Note that the first 3 decimals coincide. The cubic root of 4291661924 is about 1625.0815799990.

The spelling of 4291661924 in words is "four billion, two hundred ninety-one million, six hundred sixty-one thousand, nine hundred twenty-four".