6490831942 has 48 divisors (see below), whose sum is σ = 11438455392. Its totient is φ = 2754259200.

The previous prime is 6490831937. The next prime is 6490831943. The reversal of 6490831942 is 2491380946.

It is a junction number, because it is equal to n+sod(n) for n = 6490831892 and 6490831901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490831943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6407028 + ... + 6408040.

It is an arithmetic number, because the mean of its divisors is an integer number (238301154).

Almost surely, 2^6490831942 is an apocalyptic number.

6490831942 is a deficient number, since it is larger than the sum of its proper divisors (4947623450).

6490831942 is a wasteful number, since it uses less digits than its factorization.

6490831942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1606 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 6490831942 is about 80565.6995377065. The cubic root of 6490831942 is about 1865.3777327650.

The spelling of 6490831942 in words is "six billion, four hundred ninety million, eight hundred thirty-one thousand, nine hundred forty-two".