4197763661 has 32 divisors (see below), whose sum is σ = 5385289728. Its totient is φ = 3182742720.

The previous prime is 4197763657. The next prime is 4197763681. The reversal of 4197763661 is 1663677914.

It is not a de Polignac number, because 4197763661 - 2² = 4197763657 is a prime.

It is a super-2 number, since 2×4197763661² = 35242439507224245842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197763681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283340 + ... + 297786.

It is an arithmetic number, because the mean of its divisors is an integer number (168290304).

Almost surely, 2^4197763661 is an apocalyptic number.

It is an amenable number.

4197763661 is a deficient number, since it is larger than the sum of its proper divisors (1187526067).

4197763661 is a wasteful number, since it uses less digits than its factorization.

4197763661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14601.

The product of its digits is 1143072, while the sum is 50.

The square root of 4197763661 is about 64790.1509567619. The cubic root of 4197763661 is about 1613.1422322151.

The spelling of 4197763661 in words is "four billion, one hundred ninety-seven million, seven hundred sixty-three thousand, six hundred sixty-one".