6490185934 has 4 divisors (see below), whose sum is σ = 9735278904. Its totient is φ = 3245092966.

The previous prime is 6490185887. The next prime is 6490185941. The reversal of 6490185934 is 4395810946.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4395810946 = 2 ⋅2197905473.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622546482 + ... + 1622546485.

It is an arithmetic number, because the mean of its divisors is an integer number (2433819726).

Almost surely, 2^6490185934 is an apocalyptic number.

6490185934 is a deficient number, since it is larger than the sum of its proper divisors (3245092970).

6490185934 is a wasteful number, since it uses less digits than its factorization.

6490185934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245092969.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 6490185934 is about 80561.6902379785. The cubic root of 6490185934 is about 1865.3158460439.

The spelling of 6490185934 in words is "six billion, four hundred ninety million, one hundred eighty-five thousand, nine hundred thirty-four".