351864833378 has 4 divisors (see below), whose sum is σ = 527797250070. Its totient is φ = 175932416688.

The previous prime is 351864833371. The next prime is 351864833449. The reversal of 351864833378 is 873338468153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873338468153 = 89 ⋅9812791777.

It can be written as a sum of positive squares in only one way, i.e., 283442306449 + 68422526929 = 532393^2 + 261577^2 .

It is not an unprimeable number, because it can be changed into a prime (351864833371) 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, 87966208343 + ... + 87966208346.

Almost surely, 2^351864833378 is an apocalyptic number.

351864833378 is a deficient number, since it is larger than the sum of its proper divisors (175932416692).

351864833378 is a wasteful number, since it uses less digits than its factorization.

351864833378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175932416691.

The product of its digits is 34836480, while the sum is 59.

The spelling of 351864833378 in words is "three hundred fifty-one billion, eight hundred sixty-four million, eight hundred thirty-three thousand, three hundred seventy-eight".