21823352470 has 32 divisors (see below), whose sum is σ = 40045946400. Its totient is φ = 8560310016.

The previous prime is 21823352437. The next prime is 21823352471. The reversal of 21823352470 is 7425332812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21823352471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196092 + ... + 286528.

It is an arithmetic number, because the mean of its divisors is an integer number (1251435825).

Almost surely, 2^21823352470 is an apocalyptic number.

21823352470 is a deficient number, since it is larger than the sum of its proper divisors (18222593930).

21823352470 is a wasteful number, since it uses less digits than its factorization.

21823352470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90912.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 21823352470 in words is "twenty-one billion, eight hundred twenty-three million, three hundred fifty-two thousand, four hundred seventy".