1054395709 has 8 divisors (see below), whose sum is σ = 1175178240. Its totient is φ = 940142016.

The previous prime is 1054395707. The next prime is 1054395751. The reversal of 1054395709 is 9075934501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1054395709 - 2¹ = 1054395707 is a prime.

It is a super-2 number, since 2×1054395709² = 2223500622315225362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054395707) 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 7 ways as a sum of consecutive naturals, for example, 1631869 + ... + 1632514.

It is an arithmetic number, because the mean of its divisors is an integer number (146897280).

Almost surely, 2^1054395709 is an apocalyptic number.

1054395709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1054395709 is a deficient number, since it is larger than the sum of its proper divisors (120782531).

1054395709 is a wasteful number, since it uses less digits than its factorization.

1054395709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264419.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 1054395709 is about 32471.4599148237. The cubic root of 1054395709 is about 1017.8127258457.

The spelling of 1054395709 in words is "one billion, fifty-four million, three hundred ninety-five thousand, seven hundred nine".