3551238430345 has 4 divisors (see below), whose sum is σ = 4261486116420. Its totient is φ = 2840990744272.

The previous prime is 3551238430343. The next prime is 3551238430357. The reversal of 3551238430345 is 5430348321553.

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 911679322761 + 2639559107584 = 954819^2 + 1624672^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551238430345 - 2¹ = 3551238430343 is a prime.

It is a super-2 number, since 2×3551238430345² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551238430295 and 3551238430304.

It is not an unprimeable number, because it can be changed into a prime (3551238430343) 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, 355123843030 + ... + 355123843039.

It is an arithmetic number, because the mean of its divisors is an integer number (1065371529105).

Almost surely, 2^{3551238430345} is an apocalyptic number.

It is an amenable number.

3551238430345 is a deficient number, since it is larger than the sum of its proper divisors (710247686075).

3551238430345 is an equidigital number, since it uses as much as digits as its factorization.

3551238430345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710247686074.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 3551238430345 in words is "three trillion, five hundred fifty-one billion, two hundred thirty-eight million, four hundred thirty thousand, three hundred forty-five".