351220382407 has 16 divisors (see below), whose sum is σ = 372923006400. Its totient is φ = 330066316800.

The previous prime is 351220382389. The next prime is 351220382437. The reversal of 351220382407 is 704283022153.

It is a cyclic number.

It is not a de Polignac number, because 351220382407 - 2²⁷ = 351086164679 is a prime.

It is a super-2 number, since 2×351220382407² (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 (351220382437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093969 + ... + 1378117.

It is an arithmetic number, because the mean of its divisors is an integer number (23307687900).

Almost surely, 2^351220382407 is an apocalyptic number.

351220382407 is a deficient number, since it is larger than the sum of its proper divisors (21702623993).

351220382407 is a wasteful number, since it uses less digits than its factorization.

351220382407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285114.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 351220382407 in words is "three hundred fifty-one billion, two hundred twenty million, three hundred eighty-two thousand, four hundred seven".