351778714643 has 2 divisors, whose sum is σ = 351778714644. Its totient is φ = 351778714642.

The previous prime is 351778714597. The next prime is 351778714657. The reversal of 351778714643 is 346417877153.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 351778714643 - 2⁶ = 351778714579 is a prime.

It is not a weakly prime, because it can be changed into another prime (351738714643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175889357321 + 175889357322.

It is an arithmetic number, because the mean of its divisors is an integer number (175889357322).

Almost surely, 2^351778714643 is an apocalyptic number.

351778714643 is a deficient number, since it is larger than the sum of its proper divisors (1).

351778714643 is an equidigital number, since it uses as much as digits as its factorization.

351778714643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 56.

The spelling of 351778714643 in words is "three hundred fifty-one billion, seven hundred seventy-eight million, seven hundred fourteen thousand, six hundred forty-three".