351800006969 has 16 divisors (see below), whose sum is σ = 380503324800. Its totient is φ = 324041160960.

The previous prime is 351800006953. The next prime is 351800006977. The reversal of 351800006969 is 969600008153.

It is a cyclic number.

It is not a de Polignac number, because 351800006969 - 2⁴ = 351800006953 is a prime.

It is a super-2 number, since 2×351800006969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351800006939) 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 in 15 ways as a sum of consecutive naturals, for example, 646019 + ... + 1058744.

It is an arithmetic number, because the mean of its divisors is an integer number (23781457800).

Almost surely, 2^351800006969 is an apocalyptic number.

It is an amenable number.

351800006969 is a deficient number, since it is larger than the sum of its proper divisors (28703317831).

351800006969 is a wasteful number, since it uses less digits than its factorization.

351800006969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705040.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 351800006969 in words is "three hundred fifty-one billion, eight hundred million, six thousand, nine hundred sixty-nine".