63403925233 has 16 divisors (see below), whose sum is σ = 70619976000. Its totient is φ = 56441249280.

The previous prime is 63403925231. The next prime is 63403925257. The reversal of 63403925233 is 33252930436.

It is a cyclic number.

It is not a de Polignac number, because 63403925233 - 2¹ = 63403925231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63403925231) 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, 172408 + ... + 395641.

It is an arithmetic number, because the mean of its divisors is an integer number (4413748500).

Almost surely, 2^63403925233 is an apocalyptic number.

It is an amenable number.

63403925233 is a deficient number, since it is larger than the sum of its proper divisors (7216050767).

63403925233 is a wasteful number, since it uses less digits than its factorization.

63403925233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568272.

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 63403925233 in words is "sixty-three billion, four hundred three million, nine hundred twenty-five thousand, two hundred thirty-three".