1454620247797 has 2 divisors, whose sum is σ = 1454620247798. Its totient is φ = 1454620247796.

The previous prime is 1454620247761. The next prime is 1454620247837. The reversal of 1454620247797 is 7977420264541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1403961942321 + 50658305476 = 1184889^2 + 225074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454620247797 - 2⁷ = 1454620247669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454620247497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727310123898 + 727310123899.

It is an arithmetic number, because the mean of its divisors is an integer number (727310123899).

Almost surely, 2^{1454620247797} is an apocalyptic number.

It is an amenable number.

1454620247797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454620247797 is an equidigital number, since it uses as much as digits as its factorization.

1454620247797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 1454620247797 in words is "one trillion, four hundred fifty-four billion, six hundred twenty million, two hundred forty-seven thousand, seven hundred ninety-seven".