21303025333368 has 16 divisors (see below), whose sum is σ = 53257563333480. Its totient is φ = 7101008444448.

The previous prime is 21303025333367. The next prime is 21303025333441. The reversal of 21303025333368 is 86333352030312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303025333367) 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, 443813027755 + ... + 443813027802.

Almost surely, 2^{21303025333368} is an apocalyptic number.

It is an amenable number.

21303025333368 is an abundant number, since it is smaller than the sum of its proper divisors (31954538000112).

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

21303025333368 is a wasteful number, since it uses less digits than its factorization.

21303025333368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887626055566 (or 887626055562 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 42.

The spelling of 21303025333368 in words is "twenty-one trillion, three hundred three billion, twenty-five million, three hundred thirty-three thousand, three hundred sixty-eight".