1240733375969 has 2 divisors, whose sum is σ = 1240733375970. Its totient is φ = 1240733375968.

The previous prime is 1240733375963. The next prime is 1240733376023. The reversal of 1240733375969 is 9695733370421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208541839569 + 32191536400 = 1099337^2 + 179420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240733375969 is a prime.

It is a super-2 number, since 2×1240733375969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240733375963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620366687984 + 620366687985.

It is an arithmetic number, because the mean of its divisors is an integer number (620366687985).

Almost surely, 2^{1240733375969} is an apocalyptic number.

It is an amenable number.

1240733375969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240733375969 is an equidigital number, since it uses as much as digits as its factorization.

1240733375969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 59.

The spelling of 1240733375969 in words is "one trillion, two hundred forty billion, seven hundred thirty-three million, three hundred seventy-five thousand, nine hundred sixty-nine".