1454451998953 has 2 divisors, whose sum is σ = 1454451998954. Its totient is φ = 1454451998952.

The previous prime is 1454451998939. The next prime is 1454451998957. The reversal of 1454451998953 is 3598991544541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1285429877824 + 169022121129 = 1133768^2 + 411123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454451998953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1454451998957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727225999476 + 727225999477.

It is an arithmetic number, because the mean of its divisors is an integer number (727225999477).

Almost surely, 2^{1454451998953} is an apocalyptic number.

It is an amenable number.

1454451998953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454451998953 is an equidigital number, since it uses as much as digits as its factorization.

1454451998953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968000, while the sum is 67.

The spelling of 1454451998953 in words is "one trillion, four hundred fifty-four billion, four hundred fifty-one million, nine hundred ninety-eight thousand, nine hundred fifty-three".