1269379365044 has 12 divisors (see below), whose sum is σ = 2538758730144. Its totient is φ = 544019727864.

The previous prime is 1269379365041. The next prime is 1269379365049. The reversal of 1269379365044 is 4405639739621.

1269379365044 is an admirable number.

It is a super-2 number, since 2×1269379365044² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1269379365041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22667488634 + ... + 22667488689.

It is an arithmetic number, because the mean of its divisors is an integer number (211563227512).

Almost surely, 2^{1269379365044} is an apocalyptic number.

1269379365044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1269379365044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1269379365044 is a wasteful number, since it uses less digits than its factorization.

1269379365044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45334977334 (or 45334977332 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 59.

The spelling of 1269379365044 in words is "one trillion, two hundred sixty-nine billion, three hundred seventy-nine million, three hundred sixty-five thousand, forty-four".