4437991473 has 16 divisors (see below), whose sum is σ = 6179245056. Its totient is φ = 2827893200.

The previous prime is 4437991463. The next prime is 4437991483. The reversal of 4437991473 is 3741997344.

It is an interprime number because it is at equal distance from previous prime (4437991463) and next prime (4437991483).

It is a cyclic number.

It is not a de Polignac number, because 4437991473 - 2²⁴ = 4421214257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4437991463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70798 + ... + 117848.

It is an arithmetic number, because the mean of its divisors is an integer number (386202816).

Almost surely, 2^4437991473 is an apocalyptic number.

It is an amenable number.

4437991473 is a deficient number, since it is larger than the sum of its proper divisors (1741253583).

4437991473 is a wasteful number, since it uses less digits than its factorization.

4437991473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48444.

The product of its digits is 2286144, while the sum is 51.

The square root of 4437991473 is about 66618.2518008391. The cubic root of 4437991473 is about 1643.3452776647.

The spelling of 4437991473 in words is "four billion, four hundred thirty-seven million, nine hundred ninety-one thousand, four hundred seventy-three".