351969214469 has 2 divisors, whose sum is σ = 351969214470. Its totient is φ = 351969214468.

The previous prime is 351969214453. The next prime is 351969214489. The reversal of 351969214469 is 964412969153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254913912100 + 97055302369 = 504890^2 + 311537^2 .

It is a cyclic number.

It is not a de Polignac number, because 351969214469 - 2⁴ = 351969214453 is a prime.

It is a super-2 number, since 2×351969214469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351969214439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175984607234 + 175984607235.

It is an arithmetic number, because the mean of its divisors is an integer number (175984607235).

Almost surely, 2^351969214469 is an apocalyptic number.

It is an amenable number.

351969214469 is a deficient number, since it is larger than the sum of its proper divisors (1).

351969214469 is an equidigital number, since it uses as much as digits as its factorization.

351969214469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 59.

The spelling of 351969214469 in words is "three hundred fifty-one billion, nine hundred sixty-nine million, two hundred fourteen thousand, four hundred sixty-nine".