6194533990 has 32 divisors (see below), whose sum is σ = 11565819936. Its totient is φ = 2387024640.

The previous prime is 6194533979. The next prime is 6194533993. The reversal of 6194533990 is 993354916.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6194533993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67281 + ... + 130060.

It is an arithmetic number, because the mean of its divisors is an integer number (361431873).

Almost surely, 2^6194533990 is an apocalyptic number.

6194533990 is a deficient number, since it is larger than the sum of its proper divisors (5371285946).

6194533990 is a wasteful number, since it uses less digits than its factorization.

6194533990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197464.

The product of its (nonzero) digits is 787320, while the sum is 49.

The square root of 6194533990 is about 78705.3618885016. The cubic root of 6194533990 is about 1836.5505227190.

The spelling of 6194533990 in words is "six billion, one hundred ninety-four million, five hundred thirty-three thousand, nine hundred ninety".