7348565681 has 4 divisors (see below), whose sum is σ = 7401433200. Its totient is φ = 7295698164.

The previous prime is 7348565663. The next prime is 7348565689. The reversal of 7348565681 is 1865658437.

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: 1865658437 = 37 ⋅50423201.

It is a cyclic number.

It is not a de Polignac number, because 7348565681 - 2¹⁸ = 7348303537 is a prime.

It is a super-2 number, since 2×7348565681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7348565689) 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, 26433551 + ... + 26433828.

It is an arithmetic number, because the mean of its divisors is an integer number (1850358300).

Almost surely, 2^7348565681 is an apocalyptic number.

It is an amenable number.

7348565681 is a deficient number, since it is larger than the sum of its proper divisors (52867519).

7348565681 is a wasteful number, since it uses less digits than its factorization.

7348565681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52867518.

The product of its digits is 4838400, while the sum is 53.

The square root of 7348565681 is about 85723.7754709859. The cubic root of 7348565681 is about 1944.1698032602.

The spelling of 7348565681 in words is "seven billion, three hundred forty-eight million, five hundred sixty-five thousand, six hundred eighty-one".