7254427673513 has 4 divisors (see below), whose sum is σ = 7504580351940. Its totient is φ = 7004274995088.

The previous prime is 7254427673503. The next prime is 7254427673533. The reversal of 7254427673513 is 3153767244527.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3761012484889 + 3493415188624 = 1939333^2 + 1869068^2 .

It is a cyclic number.

It is not a de Polignac number, because 7254427673513 - 2¹⁰ = 7254427672489 is a prime.

It is a super-2 number, since 2×7254427673513² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7254427673503) 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, 125076339170 + ... + 125076339227.

It is an arithmetic number, because the mean of its divisors is an integer number (1876145087985).

Almost surely, 2^{7254427673513} is an apocalyptic number.

It is an amenable number.

7254427673513 is a deficient number, since it is larger than the sum of its proper divisors (250152678427).

7254427673513 is a wasteful number, since it uses less digits than its factorization.

7254427673513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250152678426.

The product of its digits is 29635200, while the sum is 56.

The spelling of 7254427673513 in words is "seven trillion, two hundred fifty-four billion, four hundred twenty-seven million, six hundred seventy-three thousand, five hundred thirteen".