12738746848951 has 4 divisors (see below), whose sum is σ = 12738940627504. Its totient is φ = 12738553070400.

The previous prime is 12738746848931. The next prime is 12738746848969. The reversal of 12738746848951 is 15984864783721.

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 12738746848951 - 2⁴³ = 3942653826743 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 (12738746848921) 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, 96790635 + ... + 96922156.

It is an arithmetic number, because the mean of its divisors is an integer number (3184735156876).

Almost surely, 2^{12738746848951} is an apocalyptic number.

12738746848951 is a deficient number, since it is larger than the sum of its proper divisors (193778553).

12738746848951 is an equidigital number, since it uses as much as digits as its factorization.

12738746848951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193778552.

The product of its digits is 650280960, while the sum is 73.

The spelling of 12738746848951 in words is "twelve trillion, seven hundred thirty-eight billion, seven hundred forty-six million, eight hundred forty-eight thousand, nine hundred fifty-one".