6450063140 has 24 divisors (see below), whose sum is σ = 13767186552. Its totient is φ = 2537729280.

The previous prime is 6450063131. The next prime is 6450063149. The reversal of 6450063140 is 413600546.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6450063131) and next prime (6450063149).

It can be written as a sum of positive squares in 4 ways, for example, as 45796 + 6450017344 = 214^2 + 80312^2 .

It is not an unprimeable number, because it can be changed into a prime (6450063149) 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, 2642249 + ... + 2644688.

It is an arithmetic number, because the mean of its divisors is an integer number (573632773).

Almost surely, 2^6450063140 is an apocalyptic number.

It is an amenable number.

6450063140 is an abundant number, since it is smaller than the sum of its proper divisors (7317123412).

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

6450063140 is a wasteful number, since it uses less digits than its factorization.

6450063140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287007 (or 5287005 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6450063140 is about 80312.2851125530. The cubic root of 6450063140 is about 1861.4640590728.

Adding to 6450063140 its reverse (413600546), we get a palindrome (6863663686).

The spelling of 6450063140 in words is "six billion, four hundred fifty million, sixty-three thousand, one hundred forty".