3641210645 has 8 divisors (see below), whose sum is σ = 4385004120. Its totient is φ = 2902600960.

The previous prime is 3641210633. The next prime is 3641210687. The reversal of 3641210645 is 5460121463.

It can be written as a sum of positive squares in 4 ways, for example, as 286252561 + 3354958084 = 16919^2 + 57922^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3641210645 - 2¹⁸ = 3640948501 is a prime.

It is a super-2 number, since 2×3641210645² = 26516829922522632050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294400 + ... + 1297209.

It is an arithmetic number, because the mean of its divisors is an integer number (548125515).

Almost surely, 2^3641210645 is an apocalyptic number.

It is an amenable number.

3641210645 is a deficient number, since it is larger than the sum of its proper divisors (743793475).

3641210645 is a wasteful number, since it uses less digits than its factorization.

3641210645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591895.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3641210645 is about 60342.4448046315. Note that the first 3 decimals coincide. The cubic root of 3641210645 is about 1538.4448579643. Note that the first 3 decimals are identical.

The spelling of 3641210645 in words is "three billion, six hundred forty-one million, two hundred ten thousand, six hundred forty-five".