63540002273 has 8 divisors (see below), whose sum is σ = 71007009696. Its totient is φ = 56354768800.

The previous prime is 63540002249. The next prime is 63540002287. The reversal of 63540002273 is 37220004536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63540002273 - 2¹⁰ = 63540001249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63540007273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70443011 + ... + 70443912.

It is an arithmetic number, because the mean of its divisors is an integer number (8875876212).

Almost surely, 2^63540002273 is an apocalyptic number.

It is an amenable number.

63540002273 is a deficient number, since it is larger than the sum of its proper divisors (7467007423).

63540002273 is a wasteful number, since it uses less digits than its factorization.

63540002273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140886975.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 63540002273 in words is "sixty-three billion, five hundred forty million, two thousand, two hundred seventy-three".