1307617656272 has 10 divisors (see below), whose sum is σ = 2533509209058. Its totient is φ = 653808828128.

The previous prime is 1307617656259. The next prime is 1307617656299. The reversal of 1307617656272 is 2726567167031.

It can be written as a sum of positive squares in only one way, i.e., 851663196736 + 455954459536 = 922856^2 + 675244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40863051743 + ... + 40863051774.

Almost surely, 2^{1307617656272} is an apocalyptic number.

It is an amenable number.

1307617656272 is a deficient number, since it is larger than the sum of its proper divisors (1225891552786).

1307617656272 is an equidigital number, since it uses as much as digits as its factorization.

1307617656272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81726103525 (or 81726103519 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 1307617656272 in words is "one trillion, three hundred seven billion, six hundred seventeen million, six hundred fifty-six thousand, two hundred seventy-two".