7427865213273 has 8 divisors (see below), whose sum is σ = 9939065197536. Its totient is φ = 4934287685600.

The previous prime is 7427865213259. The next prime is 7427865213317. The reversal of 7427865213273 is 3723125687247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7427865213273 - 2¹³ = 7427865205081 is a prime.

It is a super-2 number, since 2×7427865213273² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7427865213203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4405613163 + ... + 4405614848.

It is an arithmetic number, because the mean of its divisors is an integer number (1242383149692).

Almost surely, 2^{7427865213273} is an apocalyptic number.

It is an amenable number.

7427865213273 is a deficient number, since it is larger than the sum of its proper divisors (2511199984263).

7427865213273 is a wasteful number, since it uses less digits than its factorization.

7427865213273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8811228295.

The product of its digits is 23708160, while the sum is 57.

The spelling of 7427865213273 in words is "seven trillion, four hundred twenty-seven billion, eight hundred sixty-five million, two hundred thirteen thousand, two hundred seventy-three".