1535457430849 has 2 divisors, whose sum is σ = 1535457430850. Its totient is φ = 1535457430848.

The previous prime is 1535457430781. The next prime is 1535457430853. The reversal of 1535457430849 is 9480347545351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1502725384449 + 32732046400 = 1225857^2 + 180920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1535457430849 - 2¹⁹ = 1535456906561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1535457430793 and 1535457430802.

It is not a weakly prime, because it can be changed into another prime (1535457430879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767728715424 + 767728715425.

It is an arithmetic number, because the mean of its divisors is an integer number (767728715425).

Almost surely, 2^{1535457430849} is an apocalyptic number.

It is an amenable number.

1535457430849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535457430849 is an equidigital number, since it uses as much as digits as its factorization.

1535457430849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 1535457430849 in words is "one trillion, five hundred thirty-five billion, four hundred fifty-seven million, four hundred thirty thousand, eight hundred forty-nine".