351422909407 has 4 divisors (see below), whose sum is σ = 351424506496. Its totient is φ = 351421312320.

The previous prime is 351422909389. The next prime is 351422909477. The reversal of 351422909407 is 704909224153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351422909407 - 2¹⁵ = 351422876639 is a prime.

It is a super-2 number, since 2×351422909407² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351422909477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403263 + ... + 930304.

It is an arithmetic number, because the mean of its divisors is an integer number (87856126624).

Almost surely, 2^351422909407 is an apocalyptic number.

351422909407 is a deficient number, since it is larger than the sum of its proper divisors (1597089).

351422909407 is a wasteful number, since it uses less digits than its factorization.

351422909407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597088.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 351422909407 in words is "three hundred fifty-one billion, four hundred twenty-two million, nine hundred nine thousand, four hundred seven".