4457651337449 has 2 divisors, whose sum is σ = 4457651337450. Its totient is φ = 4457651337448.

The previous prime is 4457651337443. The next prime is 4457651337479. The reversal of 4457651337449 is 9447331567544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4360967653849 + 96683683600 = 2088293^2 + 310940^2 .

It is a cyclic number.

It is not a de Polignac number, because 4457651337449 - 2¹² = 4457651333353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4457651337391 and 4457651337400.

It is not a weakly prime, because it can be changed into another prime (4457651337443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2228825668724 + 2228825668725.

It is an arithmetic number, because the mean of its divisors is an integer number (2228825668725).

Almost surely, 2^{4457651337449} is an apocalyptic number.

It is an amenable number.

4457651337449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4457651337449 is an equidigital number, since it uses as much as digits as its factorization.

4457651337449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 62.

The spelling of 4457651337449 in words is "four trillion, four hundred fifty-seven billion, six hundred fifty-one million, three hundred thirty-seven thousand, four hundred forty-nine".