23642049611 has 4 divisors (see below), whose sum is σ = 23642494224. Its totient is φ = 23641605000.

The previous prime is 23642049569. The next prime is 23642049647. The reversal of 23642049611 is 11694024632.

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 23642049611 - 2⁶ = 23642049547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23642049661) 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, 129680 + ... + 253181.

It is an arithmetic number, because the mean of its divisors is an integer number (5910623556).

Almost surely, 2^23642049611 is an apocalyptic number.

23642049611 is a deficient number, since it is larger than the sum of its proper divisors (444613).

23642049611 is an equidigital number, since it uses as much as digits as its factorization.

23642049611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444612.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 23642049611 in words is "twenty-three billion, six hundred forty-two million, forty-nine thousand, six hundred eleven".