1395794973 has 4 divisors (see below), whose sum is σ = 1861059968. Its totient is φ = 930529980.

The previous prime is 1395794971. The next prime is 1395794977. The reversal of 1395794973 is 3794975931.

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 1395794973 - 2¹ = 1395794971 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 (1395794971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232632493 + ... + 232632498.

It is an arithmetic number, because the mean of its divisors is an integer number (465264992).

Almost surely, 2^1395794973 is an apocalyptic number.

It is an amenable number.

1395794973 is a deficient number, since it is larger than the sum of its proper divisors (465264995).

1395794973 is an equidigital number, since it uses as much as digits as its factorization.

1395794973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465264994.

The product of its digits is 6429780, while the sum is 57.

The square root of 1395794973 is about 37360.3395728679. The cubic root of 1395794973 is about 1117.5677909318.

The spelling of 1395794973 in words is "one billion, three hundred ninety-five million, seven hundred ninety-four thousand, nine hundred seventy-three".