63365308545 has 64 divisors (see below), whose sum is σ = 131897217024. Its totient is φ = 25188683520.

The previous prime is 63365308537. The next prime is 63365308583. The reversal of 63365308545 is 54580356336.

It is not a de Polignac number, because 63365308545 - 2³ = 63365308537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63365308494 and 63365308503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1166082 + ... + 1219211.

It is an arithmetic number, because the mean of its divisors is an integer number (2060894016).

Almost surely, 2^63365308545 is an apocalyptic number.

It is an amenable number.

63365308545 is an abundant number, since it is smaller than the sum of its proper divisors (68531908479).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63365308545 is a wasteful number, since it uses less digits than its factorization.

63365308545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385342.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 63365308545 in words is "sixty-three billion, three hundred sixty-five million, three hundred eight thousand, five hundred forty-five".