21341032162 has 4 divisors (see below), whose sum is σ = 32011548246. Its totient is φ = 10670516080.

The previous prime is 21341032133. The next prime is 21341032187. The reversal of 21341032162 is 26123014312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12130599321 + 9210432841 = 110139^2 + 95971^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5335258039 + ... + 5335258042.

Almost surely, 2^21341032162 is an apocalyptic number.

21341032162 is a deficient number, since it is larger than the sum of its proper divisors (10670516084).

21341032162 is a wasteful number, since it uses less digits than its factorization.

21341032162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10670516083.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21341032162 its reverse (26123014312), we get a palindrome (47464046474).

The spelling of 21341032162 in words is "twenty-one billion, three hundred forty-one million, thirty-two thousand, one hundred sixty-two".