349516493641 has 4 divisors (see below), whose sum is σ = 399447421312. Its totient is φ = 299585565972.

The previous prime is 349516493639. The next prime is 349516493659. The reversal of 349516493641 is 146394615943.

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 not a de Polignac number, because 349516493641 - 2¹ = 349516493639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349516493611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24965463825 + ... + 24965463838.

It is an arithmetic number, because the mean of its divisors is an integer number (99861855328).

Almost surely, 2^349516493641 is an apocalyptic number.

It is an amenable number.

349516493641 is a deficient number, since it is larger than the sum of its proper divisors (49930927671).

349516493641 is an equidigital number, since it uses as much as digits as its factorization.

349516493641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49930927670.

The product of its digits is 8398080, while the sum is 55.

The spelling of 349516493641 in words is "three hundred forty-nine billion, five hundred sixteen million, four hundred ninety-three thousand, six hundred forty-one".