7213456605 has 32 divisors (see below), whose sum is σ = 11626770816. Its totient is φ = 3818824704.

The previous prime is 7213456603. The next prime is 7213456631. The reversal of 7213456605 is 5066543127.

It is not a de Polignac number, because 7213456605 - 2¹ = 7213456603 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213456603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2915649 + ... + 2918121.

It is an arithmetic number, because the mean of its divisors is an integer number (363336588).

Almost surely, 2^7213456605 is an apocalyptic number.

It is an amenable number.

7213456605 is a deficient number, since it is larger than the sum of its proper divisors (4413314211).

7213456605 is a wasteful number, since it uses less digits than its factorization.

7213456605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 7213456605 is about 84932.0705328676. The cubic root of 7213456605 is about 1932.1810028821.

The spelling of 7213456605 in words is "seven billion, two hundred thirteen million, four hundred fifty-six thousand, six hundred five".