21276465262 has 8 divisors (see below), whose sum is σ = 34369674696. Its totient is φ = 9819907032.

The previous prime is 21276465253. The next prime is 21276465263. The reversal of 21276465262 is 26256467212.

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 (21276465263) 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, 409162768 + ... + 409162819.

It is an arithmetic number, because the mean of its divisors is an integer number (4296209337).

Almost surely, 2^21276465262 is an apocalyptic number.

21276465262 is a deficient number, since it is larger than the sum of its proper divisors (13093209434).

21276465262 is a wasteful number, since it uses less digits than its factorization.

21276465262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818325602.

The product of its digits is 483840, while the sum is 43.

The spelling of 21276465262 in words is "twenty-one billion, two hundred seventy-six million, four hundred sixty-five thousand, two hundred sixty-two".