1449899043 has 16 divisors (see below), whose sum is σ = 2048470560. Its totient is φ = 909049856.

The previous prime is 1449899041. The next prime is 1449899141. The reversal of 1449899043 is 3409989441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1449899043 - 2¹ = 1449899041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1449899041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61771 + ... + 81947.

It is an arithmetic number, because the mean of its divisors is an integer number (128029410).

Almost surely, 2^1449899043 is an apocalyptic number.

1449899043 is a deficient number, since it is larger than the sum of its proper divisors (598571517).

1449899043 is a wasteful number, since it uses less digits than its factorization.

1449899043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21606.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 1449899043 is about 38077.5398758901. The cubic root of 1449899043 is about 1131.8249267783.

The spelling of 1449899043 in words is "one billion, four hundred forty-nine million, eight hundred ninety-nine thousand, forty-three".