1395493003 has 4 divisors (see below), whose sum is σ = 1395568440. Its totient is φ = 1395417568.

The previous prime is 1395492937. The next prime is 1395493013. The reversal of 1395493003 is 3003945931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1395493003 - 2²⁹ = 858622091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1395493013) 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, 11043 + ... + 53971.

It is an arithmetic number, because the mean of its divisors is an integer number (348892110).

Almost surely, 2^1395493003 is an apocalyptic number.

1395493003 is a deficient number, since it is larger than the sum of its proper divisors (75437).

1395493003 is an equidigital number, since it uses as much as digits as its factorization.

1395493003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75436.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 1395493003 is about 37356.2980366096. The cubic root of 1395493003 is about 1117.4871925889.

The spelling of 1395493003 in words is "one billion, three hundred ninety-five million, four hundred ninety-three thousand, three".