1259479322164 has 18 divisors (see below), whose sum is σ = 2563940049090. Its totient is φ = 539776852272.

The previous prime is 1259479322147. The next prime is 1259479322177. The reversal of 1259479322164 is 4612239749521.

It can be written as a sum of positive squares in only one way, i.e., 1126442595600 + 133036726564 = 1061340^2 + 364742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3212957259 + ... + 3212957650.

Almost surely, 2^{1259479322164} is an apocalyptic number.

1259479322164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1259479322164 is an abundant number, since it is smaller than the sum of its proper divisors (1304460726926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259479322164 is a wasteful number, since it uses less digits than its factorization.

1259479322164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425914927 (or 6425914918 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 1259479322164 in words is "one trillion, two hundred fifty-nine billion, four hundred seventy-nine million, three hundred twenty-two thousand, one hundred sixty-four".