4251312355013 has 4 divisors (see below), whose sum is σ = 4311189993888. Its totient is φ = 4191434716140.

The previous prime is 4251312354923. The next prime is 4251312355091. The reversal of 4251312355013 is 3105532131524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4251312355013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251318355013) 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, 29938819331 + ... + 29938819472.

It is an arithmetic number, because the mean of its divisors is an integer number (1077797498472).

Almost surely, 2^{4251312355013} is an apocalyptic number.

It is an amenable number.

4251312355013 is a deficient number, since it is larger than the sum of its proper divisors (59877638875).

4251312355013 is an equidigital number, since it uses as much as digits as its factorization.

4251312355013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59877638874.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 4251312355013 its reverse (3105532131524), we get a palindrome (7356844486537).

The spelling of 4251312355013 in words is "four trillion, two hundred fifty-one billion, three hundred twelve million, three hundred fifty-five thousand, thirteen".