3630357957 has 4 divisors (see below), whose sum is σ = 4840477280. Its totient is φ = 2420238636.

The previous prime is 3630357919. The next prime is 3630357959. The reversal of 3630357957 is 7597530363.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7597530363 = 3 ⋅2532510121.

It is not a de Polignac number, because 3630357957 - 2¹⁸ = 3630095813 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 (3630357959) 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 3 ways as a sum of consecutive naturals, for example, 605059657 + ... + 605059662.

It is an arithmetic number, because the mean of its divisors is an integer number (1210119320).

Almost surely, 2^3630357957 is an apocalyptic number.

It is an amenable number.

3630357957 is a deficient number, since it is larger than the sum of its proper divisors (1210119323).

3630357957 is a wasteful number, since it uses less digits than its factorization.

3630357957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210119322.

The product of its (nonzero) digits is 1786050, while the sum is 48.

The square root of 3630357957 is about 60252.4518754216. The cubic root of 3630357957 is about 1536.9148835477.

The spelling of 3630357957 in words is "three billion, six hundred thirty million, three hundred fifty-seven thousand, nine hundred fifty-seven".