245343351350551 has 4 divisors (see below), whose sum is σ = 245343666304872. Its totient is φ = 245343036396232.

The previous prime is 245343351350509. The next prime is 245343351350563. The reversal of 245343351350551 is 155053153343542.

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

It is a cyclic number.

It is not a de Polignac number, because 245343351350551 - 2³⁷ = 245205912397079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245343351350495 and 245343351350504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245343351330551) 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, 156305785 + ... + 157867618.

It is an arithmetic number, because the mean of its divisors is an integer number (61335916576218).

Almost surely, 2^{245343351350551} is an apocalyptic number.

245343351350551 is a deficient number, since it is larger than the sum of its proper divisors (314954321).

245343351350551 is an equidigital number, since it uses as much as digits as its factorization.

245343351350551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314954320.

The product of its (nonzero) digits is 8100000, while the sum is 49.

The spelling of 245343351350551 in words is "two hundred forty-five trillion, three hundred forty-three billion, three hundred fifty-one million, three hundred fifty thousand, five hundred fifty-one".