6342691590 has 48 divisors (see below), whose sum is σ = 16651129248. Its totient is φ = 1674960768.

The previous prime is 6342691567. The next prime is 6342691609. The reversal of 6342691590 is 951962436.

6342691590 is a `hidden beast` number, since 6 + 34 + 26 + 9 + 1 + 590 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332839 + ... + 351378.

It is an arithmetic number, because the mean of its divisors is an integer number (346898526).

Almost surely, 2^6342691590 is an apocalyptic number.

6342691590 is an abundant number, since it is smaller than the sum of its proper divisors (10308437658).

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

6342691590 is a wasteful number, since it uses less digits than its factorization.

6342691590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684333 (or 684330 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 6342691590 is about 79641.0170075697. The cubic root of 6342691590 is about 1851.0771997814.

The spelling of 6342691590 in words is "six billion, three hundred forty-two million, six hundred ninety-one thousand, five hundred ninety".