1449469051 has 4 divisors (see below), whose sum is σ = 1449599704. Its totient is φ = 1449338400.

The previous prime is 1449469033. The next prime is 1449469057. The reversal of 1449469051 is 1509649441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1449469051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1449468989 and 1449469007.

It is not an unprimeable number, because it can be changed into a prime (1449469057) 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, 46965 + ... + 71446.

It is an arithmetic number, because the mean of its divisors is an integer number (362399926).

Almost surely, 2^1449469051 is an apocalyptic number.

1449469051 is a deficient number, since it is larger than the sum of its proper divisors (130653).

1449469051 is a wasteful number, since it uses less digits than its factorization.

1449469051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130652.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1449469051 is about 38071.8931890706. The cubic root of 1449469051 is about 1131.7130284626.

The spelling of 1449469051 in words is "one billion, four hundred forty-nine million, four hundred sixty-nine thousand, fifty-one".