1357728266597 has 2 divisors, whose sum is σ = 1357728266598. Its totient is φ = 1357728266596.

The previous prime is 1357728266579. The next prime is 1357728266599. The reversal of 1357728266597 is 7956628277531.

Together with previous prime (1357728266579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1233090318916 + 124637947681 = 1110446^2 + 353041^2 .

It is an emirp because it is prime and its reverse (7956628277531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1357728266597 - 2³⁰ = 1356654524773 is a prime.

Together with 1357728266599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1357728266599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678864133298 + 678864133299.

It is an arithmetic number, because the mean of its divisors is an integer number (678864133299).

Almost surely, 2^{1357728266597} is an apocalyptic number.

It is an amenable number.

1357728266597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1357728266597 is an equidigital number, since it uses as much as digits as its factorization.

1357728266597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 266716800, while the sum is 68.

The spelling of 1357728266597 in words is "one trillion, three hundred fifty-seven billion, seven hundred twenty-eight million, two hundred sixty-six thousand, five hundred ninety-seven".