349545967771 has 72 divisors (see below), whose sum is σ = 483623769552. Its totient is φ = 250218460800.

The previous prime is 349545967763. The next prime is 349545967807. The reversal of 349545967771 is 177769545943.

It is not a de Polignac number, because 349545967771 - 2³ = 349545967763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349545967697 and 349545967706.

It is not an unprimeable number, because it can be changed into a prime (349545967751) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16252501 + ... + 16273993.

Almost surely, 2^349545967771 is an apocalyptic number.

349545967771 is a deficient number, since it is larger than the sum of its proper divisors (134077801781).

349545967771 is a wasteful number, since it uses less digits than its factorization.

349545967771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21753 (or 21735 counting only the distinct ones).

The product of its digits is 200037600, while the sum is 67.

The spelling of 349545967771 in words is "three hundred forty-nine billion, five hundred forty-five million, nine hundred sixty-seven thousand, seven hundred seventy-one".