1449000961 has 4 divisors (see below), whose sum is σ = 1456508932. Its totient is φ = 1441492992.

The previous prime is 1449000953. The next prime is 1449001003. The reversal of 1449000961 is 1690009441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1690009441 = 15749 ⋅107309.

It can be written as a sum of positive squares in 2 ways, for example, as 755205361 + 693795600 = 27481^2 + 26340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449000961 - 2³ = 1449000953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1449000911) 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, 3753696 + ... + 3754081.

It is an arithmetic number, because the mean of its divisors is an integer number (364127233).

It is a Proth number, since it is equal to 11055 ⋅ 2¹⁷ + 1 and 11055 < 2¹⁷.

Almost surely, 2^1449000961 is an apocalyptic number.

It is an amenable number.

1449000961 is a deficient number, since it is larger than the sum of its proper divisors (7507971).

1449000961 is an equidigital number, since it uses as much as digits as its factorization.

1449000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507970.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1449000961 is about 38065.7452442481. The cubic root of 1449000961 is about 1131.5911906107.

The spelling of 1449000961 in words is "one billion, four hundred forty-nine million, nine hundred sixty-one", and thus it is an aban number.