647155445014 has 8 divisors (see below), whose sum is σ = 1045404949680. Its totient is φ = 298687128456.

The previous prime is 647155444993. The next prime is 647155445021. The reversal of 647155445014 is 410544551746.

It is a happy number.

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

It is a super-2 number, since 2×647155445014² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 12445296994 + ... + 12445297045.

It is an arithmetic number, because the mean of its divisors is an integer number (130675618710).

Almost surely, 2^647155445014 is an apocalyptic number.

647155445014 is a deficient number, since it is larger than the sum of its proper divisors (398249504666).

647155445014 is a wasteful number, since it uses less digits than its factorization.

647155445014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24890594054.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 647155445014 in words is "six hundred forty-seven billion, one hundred fifty-five million, four hundred forty-five thousand, fourteen".