6419294820 has 48 divisors (see below), whose sum is σ = 19971141120. Its totient is φ = 1711811808.

The previous prime is 6419294789. The next prime is 6419294821. The reversal of 6419294820 is 284929146.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6419294821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5943252 + ... + 5944331.

It is an arithmetic number, because the mean of its divisors is an integer number (416065440).

Almost surely, 2^6419294820 is an apocalyptic number.

6419294820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6419294820 is an abundant number, since it is smaller than the sum of its proper divisors (13551846300).

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

6419294820 is a wasteful number, since it uses less digits than its factorization.

6419294820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887601 (or 11887593 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6419294820 is about 80120.5018706199. The cubic root of 6419294820 is about 1858.4994661657.

The spelling of 6419294820 in words is "six billion, four hundred nineteen million, two hundred ninety-four thousand, eight hundred twenty".