13458025669 has 4 divisors (see below), whose sum is σ = 14681482560. Its totient is φ = 12234568780.

The previous prime is 13458025657. The next prime is 13458025681. The reversal of 13458025669 is 96652085431.

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 an interprime number because it is at equal distance from previous prime (13458025657) and next prime (13458025681).

It is a cyclic number.

It is not a de Polignac number, because 13458025669 - 2¹⁵ = 13457992901 is a prime.

It is a super-2 number, since 2×13458025669² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13458025699) 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, 611728429 + ... + 611728450.

It is an arithmetic number, because the mean of its divisors is an integer number (3670370640).

Almost surely, 2^13458025669 is an apocalyptic number.

It is an amenable number.

13458025669 is a deficient number, since it is larger than the sum of its proper divisors (1223456891).

13458025669 is a wasteful number, since it uses less digits than its factorization.

13458025669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223456890.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 13458025669 in words is "thirteen billion, four hundred fifty-eight million, twenty-five thousand, six hundred sixty-nine".