13442630655 has 16 divisors (see below), whose sum is σ = 21509917920. Its totient is φ = 7168833408.

The previous prime is 13442630639. The next prime is 13442630671. The reversal of 13442630655 is 55603624431.

It is an interprime number because it is at equal distance from previous prime (13442630639) and next prime (13442630671).

It is not a de Polignac number, because 13442630655 - 2⁴ = 13442630639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217561 + ... + 272429.

It is an arithmetic number, because the mean of its divisors is an integer number (1344369870).

Almost surely, 2^13442630655 is an apocalyptic number.

13442630655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13442630655 is a deficient number, since it is larger than the sum of its proper divisors (8067287265).

13442630655 is a wasteful number, since it uses less digits than its factorization.

13442630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71210.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 13442630655 in words is "thirteen billion, four hundred forty-two million, six hundred thirty thousand, six hundred fifty-five".