1438948283 has 2 divisors, whose sum is σ = 1438948284. Its totient is φ = 1438948282.

The previous prime is 1438948253. The next prime is 1438948331. The reversal of 1438948283 is 3828498341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1438948283 - 2⁶ = 1438948219 is a prime.

It is a super-2 number, since 2×1438948283² = 4141144322297296178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1438948253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719474141 + 719474142.

It is an arithmetic number, because the mean of its divisors is an integer number (719474142).

Almost surely, 2^1438948283 is an apocalyptic number.

1438948283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438948283 is an equidigital number, since it uses as much as digits as its factorization.

1438948283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The square root of 1438948283 is about 37933.4718026178. The cubic root of 1438948283 is about 1128.9682500369.

The spelling of 1438948283 in words is "one billion, four hundred thirty-eight million, nine hundred forty-eight thousand, two hundred eighty-three".