63693250390 has 32 divisors (see below), whose sum is σ = 142937581824. Its totient is φ = 19852441440.

The previous prime is 63693250381. The next prime is 63693250393. The reversal of 63693250390 is 9305239636.

It is a self number, because there is not a number n which added to its sum of digits gives 63693250390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63693250393) 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, 41358484 + ... + 41360023.

It is an arithmetic number, because the mean of its divisors is an integer number (4466799432).

Almost surely, 2^63693250390 is an apocalyptic number.

63693250390 is an abundant number, since it is smaller than the sum of its proper divisors (79244331434).

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

63693250390 is a wasteful number, since it uses less digits than its factorization.

63693250390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82718532.

The product of its (nonzero) digits is 787320, while the sum is 46.

The spelling of 63693250390 in words is "sixty-three billion, six hundred ninety-three million, two hundred fifty thousand, three hundred ninety".