21292452698700 has 36 divisors (see below), whose sum is σ = 61606163142440. Its totient is φ = 5677987386240.

The previous prime is 21292452698659. The next prime is 21292452698719. The reversal of 21292452698700 is 789625429212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35487420865 + ... + 35487421464.

Almost surely, 2^{21292452698700} is an apocalyptic number.

21292452698700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21292452698700 is an abundant number, since it is smaller than the sum of its proper divisors (40313710443740).

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

21292452698700 is a wasteful number, since it uses less digits than its factorization.

21292452698700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70974842346 (or 70974842339 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 21292452698700 in words is "twenty-one trillion, two hundred ninety-two billion, four hundred fifty-two million, six hundred ninety-eight thousand, seven hundred".