2769138585942 has 32 divisors (see below), whose sum is σ = 5556551872608. Its totient is φ = 920001029376.

The previous prime is 2769138585937. The next prime is 2769138585943. The reversal of 2769138585942 is 2495858319672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769138585943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19183228 + ... + 19327040.

It is an arithmetic number, because the mean of its divisors is an integer number (173642246019).

Almost surely, 2^{2769138585942} is an apocalyptic number.

2769138585942 is an abundant number, since it is smaller than the sum of its proper divisors (2787413286666).

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

2769138585942 is a wasteful number, since it uses less digits than its factorization.

2769138585942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154384.

The product of its digits is 261273600, while the sum is 69.

The spelling of 2769138585942 in words is "two trillion, seven hundred sixty-nine billion, one hundred thirty-eight million, five hundred eighty-five thousand, nine hundred forty-two".