357307343549 has 16 divisors (see below), whose sum is σ = 398215834800. Its totient is φ = 318325303296.

The previous prime is 357307343543. The next prime is 357307343563. The reversal of 357307343549 is 945343703753.

It can be written as a sum of positive squares in 8 ways, for example, as 24851315449 + 332456028100 = 157643^2 + 576590^2 .

It is a de Polignac number, because none of the positive numbers 2^k-357307343549 is a prime.

It is a super-2 number, since 2×357307343549² (a number of 24 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 357307343549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (357307343543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794807 + ... + 1160315.

It is an arithmetic number, because the mean of its divisors is an integer number (24888489675).

Almost surely, 2^357307343549 is an apocalyptic number.

It is an amenable number.

357307343549 is a deficient number, since it is larger than the sum of its proper divisors (40908491251).

357307343549 is a wasteful number, since it uses less digits than its factorization.

357307343549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368144.

The product of its (nonzero) digits is 14288400, while the sum is 53.

The spelling of 357307343549 in words is "three hundred fifty-seven billion, three hundred seven million, three hundred forty-three thousand, five hundred forty-nine".