6354656490 has 64 divisors (see below), whose sum is σ = 18770685696. Its totient is φ = 1340762112.

The previous prime is 6354656447. The next prime is 6354656527. The reversal of 6354656490 is 946564536.

It is a happy number.

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, 1161127 + ... + 1166586.

It is an arithmetic number, because the mean of its divisors is an integer number (293291964).

Almost surely, 2^6354656490 is an apocalyptic number.

6354656490 is an abundant number, since it is smaller than the sum of its proper divisors (12416029206).

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

6354656490 is a wasteful number, since it uses less digits than its factorization.

6354656490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327743.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The square root of 6354656490 is about 79716.0993150066. The cubic root of 6354656490 is about 1852.2404305204.

The spelling of 6354656490 in words is "six billion, three hundred fifty-four million, six hundred fifty-six thousand, four hundred ninety".