7216494049 has 4 divisors (see below), whose sum is σ = 7384319536. Its totient is φ = 7048668564.

The previous prime is 7216493993. The next prime is 7216494113. The reversal of 7216494049 is 9404946127.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9404946127 = 26729 ⋅351863.

It is a cyclic number.

It is not a de Polignac number, because 7216494049 - 2¹⁷ = 7216362977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7216494349) 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, 83912679 + ... + 83912764.

It is an arithmetic number, because the mean of its divisors is an integer number (1846079884).

Almost surely, 2^7216494049 is an apocalyptic number.

It is an amenable number.

7216494049 is a deficient number, since it is larger than the sum of its proper divisors (167825487).

7216494049 is a wasteful number, since it uses less digits than its factorization.

7216494049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167825486.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 7216494049 is about 84949.9502589613. The cubic root of 7216494049 is about 1932.4521659019.

The spelling of 7216494049 in words is "seven billion, two hundred sixteen million, four hundred ninety-four thousand, forty-nine".