654551506642 has 8 divisors (see below), whose sum is σ = 1071084283632. Its totient is φ = 297523412100.

The previous prime is 654551506639. The next prime is 654551506667. The reversal of 654551506642 is 246605155456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14876170584 + ... + 14876170627.

It is an arithmetic number, because the mean of its divisors is an integer number (133885535454).

Almost surely, 2^654551506642 is an apocalyptic number.

654551506642 is a deficient number, since it is larger than the sum of its proper divisors (416532776990).

654551506642 is a wasteful number, since it uses less digits than its factorization.

654551506642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29752341224.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 654551506642 in words is "six hundred fifty-four billion, five hundred fifty-one million, five hundred six thousand, six hundred forty-two".