3641622043 has 4 divisors (see below), whose sum is σ = 3644942760. Its totient is φ = 3638301328.

The previous prime is 3641622011. The next prime is 3641622059. The reversal of 3641622043 is 3402261463.

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

It is a cyclic number.

It is not a de Polignac number, because 3641622043 - 2⁵ = 3641622011 is a prime.

It is a super-2 number, since 2×3641622043² = 26522822208126987698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3641621996 and 3641622014.

It is not an unprimeable number, because it can be changed into a prime (3641622073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658713 + ... + 1660906.

It is an arithmetic number, because the mean of its divisors is an integer number (911235690).

Almost surely, 2^3641622043 is an apocalyptic number.

3641622043 is a deficient number, since it is larger than the sum of its proper divisors (3320717).

3641622043 is a wasteful number, since it uses less digits than its factorization.

3641622043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320716.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3641622043 is about 60345.8535692387. The cubic root of 3641622043 is about 1538.5027955905.

The spelling of 3641622043 in words is "three billion, six hundred forty-one million, six hundred twenty-two thousand, forty-three".