21362436354496 has 56 divisors (see below), whose sum is σ = 42491293102080. Its totient is φ = 10655978226432.

The previous prime is 21362436354487. The next prime is 21362436354499. The reversal of 21362436354496 is 69445363426312.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 21362436354496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21362436354499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150667125 + ... + 150808843.

Almost surely, 2^{21362436354496} is an apocalyptic number.

It is an amenable number.

21362436354496 is a deficient number, since it is larger than the sum of its proper divisors (21128856747584).

21362436354496 is a wasteful number, since it uses less digits than its factorization.

21362436354496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147281 (or 147271 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 58.

The spelling of 21362436354496 in words is "twenty-one trillion, three hundred sixty-two billion, four hundred thirty-six million, three hundred fifty-four thousand, four hundred ninety-six".