1449463019 has 4 divisors (see below), whose sum is σ = 1463814240. Its totient is φ = 1435111800.

The previous prime is 1449462991. The next prime is 1449463031. The reversal of 1449463019 is 9103649441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9103649441 = 31 ⋅293666111.

It is a cyclic number.

It is not a de Polignac number, because 1449463019 - 2¹⁶ = 1449397483 is a prime.

It is a super-2 number, since 2×1449463019² = 4201886086897188722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449463039) 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, 7175459 + ... + 7175660.

It is an arithmetic number, because the mean of its divisors is an integer number (365953560).

Almost surely, 2^1449463019 is an apocalyptic number.

1449463019 is a deficient number, since it is larger than the sum of its proper divisors (14351221).

1449463019 is a wasteful number, since it uses less digits than its factorization.

1449463019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14351220.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1449463019 is about 38071.8139704428. The cubic root of 1449463019 is about 1131.7114585768.

The spelling of 1449463019 in words is "one billion, four hundred forty-nine million, four hundred sixty-three thousand, nineteen".