6503898449776 has 240 divisors, whose sum is σ = 16020461791488. Its totient is φ = 2534876467200.

The previous prime is 6503898449749. The next prime is 6503898449861. The reversal of 6503898449776 is 6779448983056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 737315446 + ... + 737324266.

Almost surely, 2^{6503898449776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6503898449776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8010230895744).

6503898449776 is an abundant number, since it is smaller than the sum of its proper divisors (9516563341712).

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

6503898449776 is a wasteful number, since it uses less digits than its factorization.

6503898449776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 2194698240, while the sum is 76.

The spelling of 6503898449776 in words is "six trillion, five hundred three billion, eight hundred ninety-eight million, four hundred forty-nine thousand, seven hundred seventy-six".