7213348511 has 4 divisors (see below), whose sum is σ = 7304656800. Its totient is φ = 7122040224.

The previous prime is 7213348433. The next prime is 7213348517. The reversal of 7213348511 is 1158433127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1158433127 = 61 ⋅18990707.

It is a cyclic number.

It is not a de Polignac number, because 7213348511 - 2¹⁴ = 7213332127 is a prime.

It is a super-2 number, since 2×7213348511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213348517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45654026 + ... + 45654183.

It is an arithmetic number, because the mean of its divisors is an integer number (1826164200).

Almost surely, 2^7213348511 is an apocalyptic number.

7213348511 is a deficient number, since it is larger than the sum of its proper divisors (91308289).

7213348511 is an equidigital number, since it uses as much as digits as its factorization.

7213348511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91308288.

The product of its digits is 20160, while the sum is 35.

The square root of 7213348511 is about 84931.4341748684. The cubic root of 7213348511 is about 1932.1713515583.

The spelling of 7213348511 in words is "seven billion, two hundred thirteen million, three hundred forty-eight thousand, five hundred eleven".