349096291778 has 8 divisors (see below), whose sum is σ = 563924779068. Its totient is φ = 161121365424.

The previous prime is 349096291763. The next prime is 349096291807. The reversal of 349096291778 is 877192690943.

It can be written as a sum of positive squares in 2 ways, for example, as 311144186809 + 37952104969 = 557803^2 + 194813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6713390201 + ... + 6713390252.

Almost surely, 2^349096291778 is an apocalyptic number.

349096291778 is a deficient number, since it is larger than the sum of its proper divisors (214828487290).

349096291778 is a wasteful number, since it uses less digits than its factorization.

349096291778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13426780468.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 349096291778 in words is "three hundred forty-nine billion, ninety-six million, two hundred ninety-one thousand, seven hundred seventy-eight".