1653260251259 has 2 divisors, whose sum is σ = 1653260251260. Its totient is φ = 1653260251258.

The previous prime is 1653260251219. The next prime is 1653260251273. The reversal of 1653260251259 is 9521520623561.

It is a strong prime.

It is an emirp because it is prime and its reverse (9521520623561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653260251259 is a prime.

It is a super-2 number, since 2×1653260251259² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1653260251219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826630125629 + 826630125630.

It is an arithmetic number, because the mean of its divisors is an integer number (826630125630).

Almost surely, 2^{1653260251259} is an apocalyptic number.

1653260251259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653260251259 is an equidigital number, since it uses as much as digits as its factorization.

1653260251259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1653260251259 in words is "one trillion, six hundred fifty-three billion, two hundred sixty million, two hundred fifty-one thousand, two hundred fifty-nine".