21470065237514 has 4 divisors (see below), whose sum is σ = 32205097856274. Its totient is φ = 10735032618756.

The previous prime is 21470065237493. The next prime is 21470065237531. The reversal of 21470065237514 is 41573256007412.

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., 18359896674025 + 3110168563489 = 4284845^2 + 1763567^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5367516309377 + ... + 5367516309380.

Almost surely, 2^{21470065237514} is an apocalyptic number.

21470065237514 is a deficient number, since it is larger than the sum of its proper divisors (10735032618760).

21470065237514 is a wasteful number, since it uses less digits than its factorization.

21470065237514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735032618759.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 21470065237514 in words is "twenty-one trillion, four hundred seventy billion, sixty-five million, two hundred thirty-seven thousand, five hundred fourteen".