305542796493 has 16 divisors (see below), whose sum is σ = 445196149056. Its totient is φ = 184856509440.

The previous prime is 305542796473. The next prime is 305542796513. The reversal of 305542796493 is 394697245503.

It is an interprime number because it is at equal distance from previous prime (305542796473) and next prime (305542796513).

It is not a de Polignac number, because 305542796493 - 2¹⁰ = 305542795469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305542796423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8004246 + ... + 8042327.

It is an arithmetic number, because the mean of its divisors is an integer number (27824759316).

Almost surely, 2^305542796493 is an apocalyptic number.

305542796493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

305542796493 is a deficient number, since it is larger than the sum of its proper divisors (139653352563).

305542796493 is a wasteful number, since it uses less digits than its factorization.

305542796493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16047164.

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 305542796493 in words is "three hundred five billion, five hundred forty-two million, seven hundred ninety-six thousand, four hundred ninety-three".