1351924378391 has 2 divisors, whose sum is σ = 1351924378392. Its totient is φ = 1351924378390.

The previous prime is 1351924378313. The next prime is 1351924378393. The reversal of 1351924378391 is 1938734291531.

It is a strong prime.

It is an emirp because it is prime and its reverse (1938734291531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351924378391 is a prime.

Together with 1351924378393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351924378393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675962189195 + 675962189196.

It is an arithmetic number, because the mean of its divisors is an integer number (675962189196).

Almost surely, 2^{1351924378391} is an apocalyptic number.

1351924378391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351924378391 is an equidigital number, since it uses as much as digits as its factorization.

1351924378391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 1351924378391 in words is "one trillion, three hundred fifty-one billion, nine hundred twenty-four million, three hundred seventy-eight thousand, three hundred ninety-one".