7675353521 has 4 divisors (see below), whose sum is σ = 8373112944. Its totient is φ = 6977594100.

The previous prime is 7675353479. The next prime is 7675353557. The reversal of 7675353521 is 1253535767.

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: 1253535767 = 11 ⋅113957797.

It is a cyclic number.

It is not a de Polignac number, because 7675353521 - 2²² = 7671159217 is a prime.

It is a super-2 number, since 2×7675353521² (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 (7675053521) 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, 348879695 + ... + 348879716.

It is an arithmetic number, because the mean of its divisors is an integer number (2093278236).

Almost surely, 2^7675353521 is an apocalyptic number.

It is an amenable number.

7675353521 is a deficient number, since it is larger than the sum of its proper divisors (697759423).

7675353521 is a wasteful number, since it uses less digits than its factorization.

7675353521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697759422.

The product of its digits is 661500, while the sum is 44.

The square root of 7675353521 is about 87609.0949673606. The cubic root of 7675353521 is about 1972.5716902155.

The spelling of 7675353521 in words is "seven billion, six hundred seventy-five million, three hundred fifty-three thousand, five hundred twenty-one".