347213998549899 has 24 divisors (see below), whose sum is σ = 540119626958912. Its totient is φ = 213666607330560.

The previous prime is 347213998549897. The next prime is 347213998549963. The reversal of 347213998549899 is 998945899312743.

347213998549899 is a `hidden beast` number, since 3 + 4 + 7 + 2 + 1 + 39 + 9 + 85 + 498 + 9 + 9 = 666.

It is not a de Polignac number, because 347213998549899 - 2¹ = 347213998549897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (347213998549897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17532787 + ... + 31651644.

Almost surely, 2^{347213998549899} is an apocalyptic number.

347213998549899 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

347213998549899 is a deficient number, since it is larger than the sum of its proper divisors (192905628409013).

347213998549899 is a wasteful number, since it uses less digits than its factorization.

347213998549899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49244787 (or 49244784 counting only the distinct ones).

The product of its digits is 38093690880, while the sum is 90.

The spelling of 347213998549899 in words is "three hundred forty-seven trillion, two hundred thirteen billion, nine hundred ninety-eight million, five hundred forty-nine thousand, eight hundred ninety-nine".