4372636997 has 4 divisors (see below), whose sum is σ = 4629850956. Its totient is φ = 4115423040.

The previous prime is 4372636967. The next prime is 4372637021. The reversal of 4372636997 is 7996362734.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1159334401 + 3213302596 = 34049^2 + 56686^2 .

It is a cyclic number.

It is not a de Polignac number, because 4372636997 - 2¹⁰ = 4372635973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4372636937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128606954 + ... + 128606987.

It is an arithmetic number, because the mean of its divisors is an integer number (1157462739).

Almost surely, 2^4372636997 is an apocalyptic number.

It is an amenable number.

4372636997 is a deficient number, since it is larger than the sum of its proper divisors (257213959).

4372636997 is a wasteful number, since it uses less digits than its factorization.

4372636997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257213958.

The product of its digits is 10287648, while the sum is 56.

The square root of 4372636997 is about 66125.9177403233. The cubic root of 4372636997 is about 1635.2386434168.

The spelling of 4372636997 in words is "four billion, three hundred seventy-two million, six hundred thirty-six thousand, nine hundred ninety-seven".