6477219550 has 24 divisors (see below), whose sum is σ = 12078635400. Its totient is φ = 2584219680.

The previous prime is 6477219533. The next prime is 6477219557. The reversal of 6477219550 is 559127746.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6477219550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477219557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147060 + ... + 185959.

It is an arithmetic number, because the mean of its divisors is an integer number (503276475).

Almost surely, 2^6477219550 is an apocalyptic number.

6477219550 is a deficient number, since it is larger than the sum of its proper divisors (5601415850).

6477219550 is a wasteful number, since it uses less digits than its factorization.

6477219550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333420 (or 333415 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The square root of 6477219550 is about 80481.1751281006. The cubic root of 6477219550 is about 1864.0728140476.

The spelling of 6477219550 in words is "six billion, four hundred seventy-seven million, two hundred nineteen thousand, five hundred fifty".