654732574490 has 16 divisors (see below), whose sum is σ = 1178548837920. Its totient is φ = 261886317840.

The previous prime is 654732574481. The next prime is 654732574537. The reversal of 654732574490 is 94475237456.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419300 + ... + 1218719.

It is an arithmetic number, because the mean of its divisors is an integer number (73659302370).

Almost surely, 2^654732574490 is an apocalyptic number.

654732574490 is a deficient number, since it is larger than the sum of its proper divisors (523816263430).

654732574490 is a wasteful number, since it uses less digits than its factorization.

654732574490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677997.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 654732574490 in words is "six hundred fifty-four billion, seven hundred thirty-two million, five hundred seventy-four thousand, four hundred ninety".