1240751198963 has 2 divisors, whose sum is σ = 1240751198964. Its totient is φ = 1240751198962.

The previous prime is 1240751198957. The next prime is 1240751198971. The reversal of 1240751198963 is 3698911570421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1240751198963 - 2⁶ = 1240751198899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1240751198899 and 1240751198908.

It is not a weakly prime, because it can be changed into another prime (1240751198263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620375599481 + 620375599482.

It is an arithmetic number, because the mean of its divisors is an integer number (620375599482).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1240751198963 = 2481502397926, but 3⋅1240751198963 = 3722253596889 is not.

Almost surely, 2^{1240751198963} is an apocalyptic number.

1240751198963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240751198963 is an equidigital number, since it uses as much as digits as its factorization.

1240751198963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 1240751198963 in words is "one trillion, two hundred forty billion, seven hundred fifty-one million, one hundred ninety-eight thousand, nine hundred sixty-three".