6503950446 has 16 divisors (see below), whose sum is σ = 14866172544. Its totient is φ = 1858271544.

The previous prime is 6503950441. The next prime is 6503950483. The reversal of 6503950446 is 6440593056.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 154855963 = 6503950446 / (6 + 5 + 0 + 3 + 9 + 5 + 0 + 4 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 6503950398 and 6503950407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503950441) 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, 77427940 + ... + 77428023.

It is an arithmetic number, because the mean of its divisors is an integer number (929135784).

Almost surely, 2^6503950446 is an apocalyptic number.

6503950446 is an abundant number, since it is smaller than the sum of its proper divisors (8362222098).

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

6503950446 is a wasteful number, since it uses less digits than its factorization.

6503950446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154855975.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 6503950446 is about 80647.0733876934. The cubic root of 6503950446 is about 1866.6335809116.

The spelling of 6503950446 in words is "six billion, five hundred three million, nine hundred fifty thousand, four hundred forty-six".