1293324749657 has 4 divisors (see below), whose sum is σ = 1293329675520. Its totient is φ = 1293319823796.

The previous prime is 1293324749593. The next prime is 1293324749681. The reversal of 1293324749657 is 7569474233921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1293324749657 - 2⁶ = 1293324749593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1293324749657.

It is not an unprimeable number, because it can be changed into a prime (1293324749687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045513 + ... + 2602070.

It is an arithmetic number, because the mean of its divisors is an integer number (323332418880).

Almost surely, 2^{1293324749657} is an apocalyptic number.

It is an amenable number.

1293324749657 is a deficient number, since it is larger than the sum of its proper divisors (4925863).

1293324749657 is an equidigital number, since it uses as much as digits as its factorization.

1293324749657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925862.

The product of its digits is 68584320, while the sum is 62.

The spelling of 1293324749657 in words is "one trillion, two hundred ninety-three billion, three hundred twenty-four million, seven hundred forty-nine thousand, six hundred fifty-seven".