351623403871 has 2 divisors, whose sum is σ = 351623403872. Its totient is φ = 351623403870.

The previous prime is 351623403847. The next prime is 351623403973. The reversal of 351623403871 is 178304326153.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 351623403871 - 2³⁷ = 214184450399 is a prime.

It is a super-3 number, since 3×351623403871³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351633403871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175811701935 + 175811701936.

It is an arithmetic number, because the mean of its divisors is an integer number (175811701936).

Almost surely, 2^351623403871 is an apocalyptic number.

351623403871 is a deficient number, since it is larger than the sum of its proper divisors (1).

351623403871 is an equidigital number, since it uses as much as digits as its factorization.

351623403871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 351623403871 in words is "three hundred fifty-one billion, six hundred twenty-three million, four hundred three thousand, eight hundred seventy-one".