1378460803 has 2 divisors, whose sum is σ = 1378460804. Its totient is φ = 1378460802.

The previous prime is 1378460779. The next prime is 1378460813. The reversal of 1378460803 is 3080648731.

It is a strong prime.

It is an emirp because it is prime and its reverse (3080648731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1378460803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1378460813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689230401 + 689230402.

It is an arithmetic number, because the mean of its divisors is an integer number (689230402).

Almost surely, 2^1378460803 is an apocalyptic number.

1378460803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378460803 is an equidigital number, since it uses as much as digits as its factorization.

1378460803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1378460803 is about 37127.6285668773. The cubic root of 1378460803 is about 1112.9222038954.

The spelling of 1378460803 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, eight hundred three".