1084931457629 has 4 divisors (see below), whose sum is σ = 1111393200540. Its totient is φ = 1058469714720.

The previous prime is 1084931457613. The next prime is 1084931457647. The reversal of 1084931457629 is 9267541394801.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 273539460100 + 811391997529 = 523010^2 + 900773^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084931457629 - 2⁴ = 1084931457613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084931457679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13230871394 + ... + 13230871475.

It is an arithmetic number, because the mean of its divisors is an integer number (277848300135).

It is a 1-persistent number, because it is pandigital, but 2⋅1084931457629 = 2169862915258 is not.

Almost surely, 2^{1084931457629} is an apocalyptic number.

It is an amenable number.

1084931457629 is a deficient number, since it is larger than the sum of its proper divisors (26461742911).

1084931457629 is an equidigital number, since it uses as much as digits as its factorization.

1084931457629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26461742910.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 1084931457629 in words is "one trillion, eighty-four billion, nine hundred thirty-one million, four hundred fifty-seven thousand, six hundred twenty-nine".