1653460639429 has 2 divisors, whose sum is σ = 1653460639430. Its totient is φ = 1653460639428.

The previous prime is 1653460639427. The next prime is 1653460639487. The reversal of 1653460639429 is 9249360643561.

It is an a-pointer prime, because the next prime (1653460639487) can be obtained adding 1653460639429 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1639795497025 + 13665142404 = 1280545^2 + 116898^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653460639429 - 2¹ = 1653460639427 is a prime.

It is a super-2 number, since 2×1653460639429² (a number of 25 digits) contains 22 as substring.

Together with 1653460639427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1653460639421) 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, 826730319714 + 826730319715.

It is an arithmetic number, because the mean of its divisors is an integer number (826730319715).

Almost surely, 2^{1653460639429} is an apocalyptic number.

It is an amenable number.

1653460639429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653460639429 is an equidigital number, since it uses as much as digits as its factorization.

1653460639429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25194240, while the sum is 58.

The spelling of 1653460639429 in words is "one trillion, six hundred fifty-three billion, four hundred sixty million, six hundred thirty-nine thousand, four hundred twenty-nine".