1351924378393 has 2 divisors, whose sum is σ = 1351924378394. Its totient is φ = 1351924378392.

The previous prime is 1351924378391. The next prime is 1351924378433. The reversal of 1351924378393 is 3938734291531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 882222497289 + 469701881104 = 939267^2 + 685348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351924378393 - 2¹ = 1351924378391 is a prime.

Together with 1351924378391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1351924378391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675962189196 + 675962189197.

It is an arithmetic number, because the mean of its divisors is an integer number (675962189197).

Almost surely, 2^{1351924378393} is an apocalyptic number.

It is an amenable number.

1351924378393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351924378393 is an equidigital number, since it uses as much as digits as its factorization.

1351924378393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 58.

The spelling of 1351924378393 in words is "one trillion, three hundred fifty-one billion, nine hundred twenty-four million, three hundred seventy-eight thousand, three hundred ninety-three".