213027321447 has 12 divisors (see below), whose sum is σ = 314253070560. Its totient is φ = 138996549888.

The previous prime is 213027321443. The next prime is 213027321509. The reversal of 213027321447 is 744123720312.

213027321447 is a `hidden beast` number, since 2 + 130 + 273 + 214 + 47 = 666.

It is not a de Polignac number, because 213027321447 - 2² = 213027321443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213027321443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251804922 + ... + 251805767.

It is an arithmetic number, because the mean of its divisors is an integer number (26187755880).

Almost surely, 2^213027321447 is an apocalyptic number.

213027321447 is a deficient number, since it is larger than the sum of its proper divisors (101225749113).

213027321447 is a wasteful number, since it uses less digits than its factorization.

213027321447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503610742 (or 503610739 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 213027321447 in words is "two hundred thirteen billion, twenty-seven million, three hundred twenty-one thousand, four hundred forty-seven".