3644511209106 has 16 divisors (see below), whose sum is σ = 7540368019200. Its totient is φ = 1172946136208.

The previous prime is 3644511209057. The next prime is 3644511209111. The reversal of 3644511209106 is 6019021154463.

It is a happy 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, 10472733186 + ... + 10472733533.

It is an arithmetic number, because the mean of its divisors is an integer number (471273001200).

Almost surely, 2^{3644511209106} is an apocalyptic number.

3644511209106 is an abundant number, since it is smaller than the sum of its proper divisors (3895856810094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3644511209106 is a wasteful number, since it uses less digits than its factorization.

3644511209106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945466753.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 3644511209106 in words is "three trillion, six hundred forty-four billion, five hundred eleven million, two hundred nine thousand, one hundred six".