1799449971 has 64 divisors (see below), whose sum is σ = 2816985600. Its totient is φ = 1011225600.

The previous prime is 1799449957. The next prime is 1799449973.

1799449971 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1799449971 - 2⁶ = 1799449907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1799449973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3151116 + ... + 3151686.

It is an arithmetic number, because the mean of its divisors is an integer number (44015400).

Almost surely, 2^1799449971 is an apocalyptic number.

1799449971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1799449971 is a deficient number, since it is larger than the sum of its proper divisors (1017535629).

1799449971 is a wasteful number, since it uses less digits than its factorization.

1799449971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 5143824, while the sum is 60.

The square root of 1799449971 is about 42419.9242219974. The cubic root of 1799449971 is about 1216.3164832520.

The spelling of 1799449971 in words is "one billion, seven hundred ninety-nine million, four hundred forty-nine thousand, nine hundred seventy-one".