1454451999977 has 2 divisors, whose sum is σ = 1454451999978. Its totient is φ = 1454451999976.

The previous prime is 1454451999953. The next prime is 1454452000003. The reversal of 1454451999977 is 7799991544541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1103888536921 + 350563463056 = 1050661^2 + 592084^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454451999977 - 2¹⁰ = 1454451998953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1454451999937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727225999988 + 727225999989.

It is an arithmetic number, because the mean of its divisors is an integer number (727225999989).

Almost surely, 2^{1454451999977} is an apocalyptic number.

It is an amenable number.

1454451999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454451999977 is an equidigital number, since it uses as much as digits as its factorization.

1454451999977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514382400, while the sum is 74.

The spelling of 1454451999977 in words is "one trillion, four hundred fifty-four billion, four hundred fifty-one million, nine hundred ninety-nine thousand, nine hundred seventy-seven".