1089351625738 has 4 divisors (see below), whose sum is σ = 1634027438610. Its totient is φ = 544675812868.

The previous prime is 1089351625699. The next prime is 1089351625751. The reversal of 1089351625738 is 8375261539801.

It is a happy number.

1089351625738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 561065415849 + 528286209889 = 749043^2 + 726833^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272337906433 + ... + 272337906436.

Almost surely, 2^{1089351625738} is an apocalyptic number.

1089351625738 is a deficient number, since it is larger than the sum of its proper divisors (544675812872).

1089351625738 is an equidigital number, since it uses as much as digits as its factorization.

1089351625738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544675812871.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 1089351625738 in words is "one trillion, eighty-nine billion, three hundred fifty-one million, six hundred twenty-five thousand, seven hundred thirty-eight".