6652229391 has 12 divisors (see below), whose sum is σ = 9611465032. Its totient is φ = 4433578416.

The previous prime is 6652229383. The next prime is 6652229411. The reversal of 6652229391 is 1939222566.

It is not a de Polignac number, because 6652229391 - 2³ = 6652229383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6652229191) 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, 68881 + ... + 134346.

Almost surely, 2^6652229391 is an apocalyptic number.

6652229391 is a deficient number, since it is larger than the sum of its proper divisors (2959235641).

6652229391 is a wasteful number, since it uses less digits than its factorization.

6652229391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206870 (or 206867 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 6652229391 is about 81561.2002792995. The cubic root of 6652229391 is about 1880.7124762004.

The spelling of 6652229391 in words is "six billion, six hundred fifty-two million, two hundred twenty-nine thousand, three hundred ninety-one".