63265431450 has 192 divisors, whose sum is σ = 178232342400. Its totient is φ = 14722560000.

The previous prime is 63265431443. The next prime is 63265431479. The reversal of 63265431450 is 5413456236.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 63265431399 and 63265431408.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21079950 + ... + 21082950.

It is an arithmetic number, because the mean of its divisors is an integer number (928293450).

Almost surely, 2^63265431450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63265431450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89116171200).

63265431450 is an abundant number, since it is smaller than the sum of its proper divisors (114966910950).

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

63265431450 is a wasteful number, since it uses less digits than its factorization.

63265431450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 63265431450 its reverse (5413456236), we get a palindrome (68678887686).

The spelling of 63265431450 in words is "sixty-three billion, two hundred sixty-five million, four hundred thirty-one thousand, four hundred fifty".