1129708694438 has 32 divisors (see below), whose sum is σ = 1856301105600. Its totient is φ = 513243802624.

The previous prime is 1129708694437. The next prime is 1129708694453. The reversal of 1129708694438 is 8344968079211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129708694437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10731503 + ... + 10836261.

It is an arithmetic number, because the mean of its divisors is an integer number (58009409550).

Almost surely, 2^{1129708694438} is an apocalyptic number.

1129708694438 is a deficient number, since it is larger than the sum of its proper divisors (726592411162).

1129708694438 is a wasteful number, since it uses less digits than its factorization.

1129708694438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115744.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 1129708694438 in words is "one trillion, one hundred twenty-nine billion, seven hundred eight million, six hundred ninety-four thousand, four hundred thirty-eight".