1451543401963 has 2 divisors, whose sum is σ = 1451543401964. Its totient is φ = 1451543401962.

The previous prime is 1451543401901. The next prime is 1451543401981. The reversal of 1451543401963 is 3691043451541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1451543401963 - 2¹³ = 1451543393771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451543411963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725771700981 + 725771700982.

It is an arithmetic number, because the mean of its divisors is an integer number (725771700982).

Almost surely, 2^{1451543401963} is an apocalyptic number.

1451543401963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451543401963 is an equidigital number, since it uses as much as digits as its factorization.

1451543401963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 1451543401963 in words is "one trillion, four hundred fifty-one billion, five hundred forty-three million, four hundred one thousand, nine hundred sixty-three".