305341402263493 has 4 divisors (see below), whose sum is σ = 318617115405408. Its totient is φ = 292065689121580.

The previous prime is 305341402263467. The next prime is 305341402263503. The reversal of 305341402263493 is 394362204143503.

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 305341402263493 - 2¹³ = 305341402255301 is a prime.

It is a super-2 number, since 2×305341402263493² (a number of 30 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 (305341402263433) 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, 6637856570923 + ... + 6637856570968.

It is an arithmetic number, because the mean of its divisors is an integer number (79654278851352).

Almost surely, 2^{305341402263493} is an apocalyptic number.

It is an amenable number.

305341402263493 is a deficient number, since it is larger than the sum of its proper divisors (13275713141915).

305341402263493 is a wasteful number, since it uses less digits than its factorization.

305341402263493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13275713141914.

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 305341402263493 in words is "three hundred five trillion, three hundred forty-one billion, four hundred two million, two hundred sixty-three thousand, four hundred ninety-three".