647238701053 has 8 divisors (see below), whose sum is σ = 750119702400. Its totient is φ = 546962282160.

The previous prime is 647238701009. The next prime is 647238701099. The reversal of 647238701053 is 350107832746.

It is a happy number.

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

It is not a de Polignac number, because 647238701053 - 2²⁹ = 646701830141 is a prime.

It is a super-2 number, since 2×647238701053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647238700994 and 647238701012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647238701003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651145078 + ... + 651146071.

It is an arithmetic number, because the mean of its divisors is an integer number (93764962800).

Almost surely, 2^647238701053 is an apocalyptic number.

It is an amenable number.

647238701053 is a deficient number, since it is larger than the sum of its proper divisors (102881001347).

647238701053 is a wasteful number, since it uses less digits than its factorization.

647238701053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302291227.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 647238701053 in words is "six hundred forty-seven billion, two hundred thirty-eight million, seven hundred one thousand, fifty-three".