21472150209435 has 12 divisors (see below), whose sum is σ = 37218393696432. Its totient is φ = 11451813445008.

The previous prime is 21472150209361. The next prime is 21472150209449. The reversal of 21472150209435 is 53490205127412.

21472150209435 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 2 + 1 + 5 + 0 + 209 + 435 = 666.

It is not a de Polignac number, because 21472150209435 - 2¹⁷ = 21472150078363 is a prime.

It is a super-2 number, since 2×21472150209435² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 477158893543 = 21472150209435 / (2 + 1 + 4 + 7 + 2 + 1 + 5 + 0 + 2 + 0 + 9 + 4 + 3 + 5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238579446727 + ... + 238579446816.

It is an arithmetic number, because the mean of its divisors is an integer number (3101532808036).

Almost surely, 2^{21472150209435} is an apocalyptic number.

21472150209435 is a deficient number, since it is larger than the sum of its proper divisors (15746243486997).

21472150209435 is a wasteful number, since it uses less digits than its factorization.

21472150209435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477158893554 (or 477158893551 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 21472150209435 in words is "twenty-one trillion, four hundred seventy-two billion, one hundred fifty million, two hundred nine thousand, four hundred thirty-five".