1430961449 has 4 divisors (see below), whose sum is σ = 1432533120. Its totient is φ = 1429389780.

The previous prime is 1430961443. The next prime is 1430961461. The reversal of 1430961449 is 9441690341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9441690341 = 29 ⋅325575529.

It is a cyclic number.

It is not a de Polignac number, because 1430961449 - 2²⁰ = 1429912873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430961443) 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, 784469 + ... + 786290.

It is an arithmetic number, because the mean of its divisors is an integer number (358133280).

Almost surely, 2^1430961449 is an apocalyptic number.

It is an amenable number.

1430961449 is a deficient number, since it is larger than the sum of its proper divisors (1571671).

1430961449 is an equidigital number, since it uses as much as digits as its factorization.

1430961449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571670.

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

The square root of 1430961449 is about 37828.0510864623. The cubic root of 1430961449 is about 1126.8756067784.

The spelling of 1430961449 in words is "one billion, four hundred thirty million, nine hundred sixty-one thousand, four hundred forty-nine".