349315143877 has 4 divisors (see below), whose sum is σ = 399217307296. Its totient is φ = 299412980460.

The previous prime is 349315143847. The next prime is 349315143883. The reversal of 349315143877 is 778341513943.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349315143877 - 2²³ = 349306755269 is a prime.

It is a super-2 number, since 2×349315143877² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349315143817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24951081699 + ... + 24951081712.

It is an arithmetic number, because the mean of its divisors is an integer number (99804326824).

Almost surely, 2^349315143877 is an apocalyptic number.

It is an amenable number.

349315143877 is a deficient number, since it is larger than the sum of its proper divisors (49902163419).

349315143877 is an equidigital number, since it uses as much as digits as its factorization.

349315143877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49902163418.

The product of its digits is 7620480, while the sum is 55.

The spelling of 349315143877 in words is "three hundred forty-nine billion, three hundred fifteen million, one hundred forty-three thousand, eight hundred seventy-seven".