21013284162 has 32 divisors (see below), whose sum is σ = 45427677120. Its totient is φ = 6441583680.

The previous prime is 21013284157. The next prime is 21013284167. The reversal of 21013284162 is 26148231012.

It is an interprime number because it is at equal distance from previous prime (21013284157) and next prime (21013284167).

It is a super-2 number, since 2×21013284162² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21013284167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479764 + ... + 521727.

It is an arithmetic number, because the mean of its divisors is an integer number (1419614910).

Almost surely, 2^21013284162 is an apocalyptic number.

21013284162 is an abundant number, since it is smaller than the sum of its proper divisors (24414392958).

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

21013284162 is a wasteful number, since it uses less digits than its factorization.

21013284162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001778.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 21013284162 in words is "twenty-one billion, thirteen million, two hundred eighty-four thousand, one hundred sixty-two".