1363441903 has 2 divisors, whose sum is σ = 1363441904. Its totient is φ = 1363441902.

The previous prime is 1363441889. The next prime is 1363441949. The reversal of 1363441903 is 3091443631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1363441903 is a prime.

It is a super-2 number, since 2×1363441903² = 3717947645712522818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1363441993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681720951 + 681720952.

It is an arithmetic number, because the mean of its divisors is an integer number (681720952).

Almost surely, 2^1363441903 is an apocalyptic number.

1363441903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363441903 is an equidigital number, since it uses as much as digits as its factorization.

1363441903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1363441903 is about 36924.8141904601. The cubic root of 1363441903 is about 1108.8655191934.

The spelling of 1363441903 in words is "one billion, three hundred sixty-three million, four hundred forty-one thousand, nine hundred three".