451070849 has 4 divisors (see below), whose sum is σ = 474811440. Its totient is φ = 427330260.

The previous prime is 451070839. The next prime is 451070897. The reversal of 451070849 is 948070154.

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: 948070154 = 2 ⋅474035077.

It is a cyclic number.

It is not a de Polignac number, because 451070849 - 2¹² = 451066753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451070819) 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, 11870267 + ... + 11870304.

It is an arithmetic number, because the mean of its divisors is an integer number (118702860).

Almost surely, 2^451070849 is an apocalyptic number.

It is an amenable number.

451070849 is a deficient number, since it is larger than the sum of its proper divisors (23740591).

451070849 is a wasteful number, since it uses less digits than its factorization.

451070849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23740590.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 451070849 is about 21238.4285906467. The cubic root of 451070849 is about 766.9168039711.

The spelling of 451070849 in words is "four hundred fifty-one million, seventy thousand, eight hundred forty-nine".