21054425302 has 8 divisors (see below), whose sum is σ = 33439381416. Its totient is φ = 9907964832.

The previous prime is 21054425299. The next prime is 21054425303. The reversal of 21054425302 is 20352445012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21054425303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309623868 + ... + 309623935.

It is an arithmetic number, because the mean of its divisors is an integer number (4179922677).

Almost surely, 2^21054425302 is an apocalyptic number.

21054425302 is a deficient number, since it is larger than the sum of its proper divisors (12384956114).

21054425302 is a wasteful number, since it uses less digits than its factorization.

21054425302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619247822.

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 21054425302 in words is "twenty-one billion, fifty-four million, four hundred twenty-five thousand, three hundred two".