7475434362131 has 4 divisors (see below), whose sum is σ = 7480481922264. Its totient is φ = 7470386802000.

The previous prime is 7475434362079. The next prime is 7475434362197. The reversal of 7475434362131 is 1312634345747.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7475434362131 is a prime.

It is a super-2 number, since 2×7475434362131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7475434362131.

It is not an unprimeable number, because it can be changed into a prime (7475434362031) 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, 2523777845 + ... + 2523780806.

It is an arithmetic number, because the mean of its divisors is an integer number (1870120480566).

Almost surely, 2^{7475434362131} is an apocalyptic number.

7475434362131 is a deficient number, since it is larger than the sum of its proper divisors (5047560133).

7475434362131 is a wasteful number, since it uses less digits than its factorization.

7475434362131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047560132.

The product of its digits is 5080320, while the sum is 50.

The spelling of 7475434362131 in words is "seven trillion, four hundred seventy-five billion, four hundred thirty-four million, three hundred sixty-two thousand, one hundred thirty-one".