7557351705473 has 8 divisors (see below), whose sum is σ = 7741804290696. Its totient is φ = 7372905164800.

The previous prime is 7557351705451. The next prime is 7557351705479. The reversal of 7557351705473 is 3745071537557.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 646404744049 + 6910946961424 = 803993^2 + 2628868^2 .

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 7557351705473 - 2³⁴ = 7540171836289 is a prime.

It is a super-2 number, since 2×7557351705473² (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 (7557351705479) 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, 1073213 + ... + 4033173.

It is an arithmetic number, because the mean of its divisors is an integer number (967725536337).

Almost surely, 2^{7557351705473} is an apocalyptic number.

It is an amenable number.

7557351705473 is a deficient number, since it is larger than the sum of its proper divisors (184452585223).

7557351705473 is a wasteful number, since it uses less digits than its factorization.

7557351705473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022275.

The product of its (nonzero) digits is 54022500, while the sum is 59.

The spelling of 7557351705473 in words is "seven trillion, five hundred fifty-seven billion, three hundred fifty-one million, seven hundred five thousand, four hundred seventy-three".