1351505250479 has 2 divisors, whose sum is σ = 1351505250480. Its totient is φ = 1351505250478.

The previous prime is 1351505250461. The next prime is 1351505250499. The reversal of 1351505250479 is 9740525051531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351505250479 - 2¹² = 1351505246383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351505250419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675752625239 + 675752625240.

It is an arithmetic number, because the mean of its divisors is an integer number (675752625240).

Almost surely, 2^{1351505250479} is an apocalyptic number.

1351505250479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351505250479 is an equidigital number, since it uses as much as digits as its factorization.

1351505250479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 1351505250479 in words is "one trillion, three hundred fifty-one billion, five hundred five million, two hundred fifty thousand, four hundred seventy-nine".