349456189797 has 24 divisors (see below), whose sum is σ = 593016566688. Its totient is φ = 195499965600.

The previous prime is 349456189777. The next prime is 349456189799. The reversal of 349456189797 is 797981654943.

349456189797 is a `hidden beast` number, since 3 + 4 + 9 + 456 + 1 + 89 + 7 + 97 = 666.

It is not a de Polignac number, because 349456189797 - 2¹¹ = 349456187749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349456189799) 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 23 ways as a sum of consecutive naturals, for example, 135762579 + ... + 135765152.

It is an arithmetic number, because the mean of its divisors is an integer number (24709023612).

Almost surely, 2^349456189797 is an apocalyptic number.

It is an amenable number.

349456189797 is a deficient number, since it is larger than the sum of its proper divisors (243560376891).

349456189797 is a wasteful number, since it uses less digits than its factorization.

349456189797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271527761 (or 271527758 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 349456189797 in words is "three hundred forty-nine billion, four hundred fifty-six million, one hundred eighty-nine thousand, seven hundred ninety-seven".