172214770433 has 4 divisors (see below), whose sum is σ = 172216213248. Its totient is φ = 172213327620.

The previous prime is 172214770393. The next prime is 172214770457. The reversal of 172214770433 is 334077412271.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172214770433 - 2¹² = 172214766337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172214770463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524441 + ... + 787062.

It is an arithmetic number, because the mean of its divisors is an integer number (43054053312).

Almost surely, 2^172214770433 is an apocalyptic number.

It is an amenable number.

172214770433 is a deficient number, since it is larger than the sum of its proper divisors (1442815).

172214770433 is a wasteful number, since it uses less digits than its factorization.

172214770433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442814.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 172214770433 in words is "one hundred seventy-two billion, two hundred fourteen million, seven hundred seventy thousand, four hundred thirty-three".