6219549490 has 64 divisors (see below), whose sum is σ = 14692285440. Its totient is φ = 1836527040.

The previous prime is 6219549481. The next prime is 6219549503. The reversal of 6219549490 is 949459126.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197932 + ... + 227191.

It is an arithmetic number, because the mean of its divisors is an integer number (229566960).

Almost surely, 2^6219549490 is an apocalyptic number.

6219549490 is an abundant number, since it is smaller than the sum of its proper divisors (8472735950).

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

6219549490 is a wasteful number, since it uses less digits than its factorization.

6219549490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425167.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 6219549490 is about 78864.1204224076. The cubic root of 6219549490 is about 1839.0193941969.

The spelling of 6219549490 in words is "six billion, two hundred nineteen million, five hundred forty-nine thousand, four hundred ninety".