260450253432553 has 4 divisors (see below), whose sum is σ = 260771400478288. Its totient is φ = 260129106386820.

The previous prime is 260450253432491. The next prime is 260450253432559. The reversal of 260450253432553 is 355234352054062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260450253432553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260450253432497 and 260450253432506.

It is not an unprimeable number, because it can be changed into a prime (260450253432559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160573521651 + ... + 160573523272.

It is an arithmetic number, because the mean of its divisors is an integer number (65192850119572).

Almost surely, 2^{260450253432553} is an apocalyptic number.

It is an amenable number.

260450253432553 is a deficient number, since it is larger than the sum of its proper divisors (321147045735).

260450253432553 is an equidigital number, since it uses as much as digits as its factorization.

260450253432553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321147045734.

The product of its (nonzero) digits is 12960000, while the sum is 49.

The spelling of 260450253432553 in words is "two hundred sixty trillion, four hundred fifty billion, two hundred fifty-three million, four hundred thirty-two thousand, five hundred fifty-three".