3662621343 has 12 divisors (see below), whose sum is σ = 5293888600. Its totient is φ = 2440161936.

The previous prime is 3662621329. The next prime is 3662621377. The reversal of 3662621343 is 3431262663.

3662621343 is a `hidden beast` number, since 3 + 6 + 626 + 21 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 3662621343 - 2⁸ = 3662621087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3662621298 and 3662621307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3662623343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117421 + ... + 145302.

Almost surely, 2^3662621343 is an apocalyptic number.

3662621343 is a deficient number, since it is larger than the sum of its proper divisors (1631267257).

3662621343 is a wasteful number, since it uses less digits than its factorization.

3662621343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264278 (or 264275 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 3662621343 is about 60519.5947028729. The cubic root of 3662621343 is about 1541.4543722530.

The spelling of 3662621343 in words is "three billion, six hundred sixty-two million, six hundred twenty-one thousand, three hundred forty-three".