647407156151 has 4 divisors (see below), whose sum is σ = 739893892752. Its totient is φ = 554920419552.

The previous prime is 647407156139. The next prime is 647407156217. The reversal of 647407156151 is 151651704746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 647407156151 - 2³⁸ = 372529249207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 647407156096 and 647407156105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647407156051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46243368290 + ... + 46243368303.

It is an arithmetic number, because the mean of its divisors is an integer number (184973473188).

Almost surely, 2^647407156151 is an apocalyptic number.

647407156151 is a deficient number, since it is larger than the sum of its proper divisors (92486736601).

647407156151 is an equidigital number, since it uses as much as digits as its factorization.

647407156151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92486736600.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 647407156151 in words is "six hundred forty-seven billion, four hundred seven million, one hundred fifty-six thousand, one hundred fifty-one".