345963403647 has 12 divisors (see below), whose sum is σ = 502790715544. Its totient is φ = 229227284880.

The previous prime is 345963403571. The next prime is 345963403661. The reversal of 345963403647 is 746304369543.

It is a happy number.

345963403647 is a `hidden beast` number, since 3 + 4 + 596 + 3 + 4 + 0 + 3 + 6 + 47 = 666.

It is not a de Polignac number, because 345963403647 - 2⁷ = 345963403519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345963403593 and 345963403602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345963403447) 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 11 ways as a sum of consecutive naturals, for example, 117913804 + ... + 117916737.

Almost surely, 2^345963403647 is an apocalyptic number.

345963403647 is a deficient number, since it is larger than the sum of its proper divisors (156827311897).

345963403647 is a wasteful number, since it uses less digits than its factorization.

345963403647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235830710 (or 235830707 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 54.

The spelling of 345963403647 in words is "three hundred forty-five billion, nine hundred sixty-three million, four hundred three thousand, six hundred forty-seven".