7213479161 has 16 divisors (see below), whose sum is σ = 8321952000. Its totient is φ = 6124776768.

The previous prime is 7213479149. The next prime is 7213479173. The reversal of 7213479161 is 1619743127.

7213479161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7213479149) and next prime (7213479173).

It is a cyclic number.

It is not a de Polignac number, because 7213479161 - 2¹⁸ = 7213217017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7213479131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307691 + ... + 330303.

It is an arithmetic number, because the mean of its divisors is an integer number (520122000).

Almost surely, 2^7213479161 is an apocalyptic number.

It is an amenable number.

7213479161 is a deficient number, since it is larger than the sum of its proper divisors (1108472839).

7213479161 is a wasteful number, since it uses less digits than its factorization.

7213479161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23048.

The product of its digits is 63504, while the sum is 41.

The square root of 7213479161 is about 84932.2033212373. The cubic root of 7213479161 is about 1932.1830168139.

The spelling of 7213479161 in words is "seven billion, two hundred thirteen million, four hundred seventy-nine thousand, one hundred sixty-one".