21046282534 has 8 divisors (see below), whose sum is σ = 31629787560. Its totient is φ = 10503020016.

The previous prime is 21046282529. The next prime is 21046282553. The reversal of 21046282534 is 43528264012.

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

It is a super-2 number, since 2×21046282534² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21046282493 and 21046282502.

It is a congruent number.

It is an unprimeable number.

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, 10059319 + ... + 10061410.

It is an arithmetic number, because the mean of its divisors is an integer number (3953723445).

Almost surely, 2^21046282534 is an apocalyptic number.

21046282534 is a deficient number, since it is larger than the sum of its proper divisors (10583505026).

21046282534 is a wasteful number, since it uses less digits than its factorization.

21046282534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121254.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 21046282534 in words is "twenty-one billion, forty-six million, two hundred eighty-two thousand, five hundred thirty-four".