1303394494 has 4 divisors (see below), whose sum is σ = 1955091744. Its totient is φ = 651697246.

The previous prime is 1303394489. The next prime is 1303394501. The reversal of 1303394494 is 4944933031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4944933031 = 79 ⋅62594089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325848622 + ... + 325848625.

It is an arithmetic number, because the mean of its divisors is an integer number (488772936).

Almost surely, 2^1303394494 is an apocalyptic number.

1303394494 is a deficient number, since it is larger than the sum of its proper divisors (651697250).

1303394494 is an equidigital number, since it uses as much as digits as its factorization.

1303394494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651697249.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 1303394494 is about 36102.5552281276. Note that the first 3 decimals coincide. The cubic root of 1303394494 is about 1092.3419873512.

The spelling of 1303394494 in words is "one billion, three hundred three million, three hundred ninety-four thousand, four hundred ninety-four".