1045977393 has 4 divisors (see below), whose sum is σ = 1394636528. Its totient is φ = 697318260.

The previous prime is 1045977391. The next prime is 1045977397. The reversal of 1045977393 is 3937795401.

It is a happy number.

1045977393 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1045977393 - 2¹ = 1045977391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045977391) 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, 174329563 + ... + 174329568.

It is an arithmetic number, because the mean of its divisors is an integer number (348659132).

Almost surely, 2^1045977393 is an apocalyptic number.

It is an amenable number.

1045977393 is a deficient number, since it is larger than the sum of its proper divisors (348659135).

1045977393 is an equidigital number, since it uses as much as digits as its factorization.

1045977393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348659134.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 1045977393 is about 32341.5737557714. The cubic root of 1045977393 is about 1015.0967392245.

The spelling of 1045977393 in words is "one billion, forty-five million, nine hundred seventy-seven thousand, three hundred ninety-three".