2009053972 has 12 divisors (see below), whose sum is σ = 3610867540. Its totient is φ = 977377536.

The previous prime is 2009053889. The next prime is 2009053993. The reversal of 2009053972 is 2793509002.

It can be written as a sum of positive squares in 2 ways, for example, as 1564518916 + 444535056 = 39554^2 + 21084^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787197 + ... + 6787492.

Almost surely, 2^2009053972 is an apocalyptic number.

It is an amenable number.

2009053972 is a deficient number, since it is larger than the sum of its proper divisors (1601813568).

2009053972 is a wasteful number, since it uses less digits than its factorization.

2009053972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574730 (or 13574728 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 2009053972 is about 44822.4717301489. The cubic root of 2009053972 is about 1261.8194031486.

The spelling of 2009053972 in words is "two billion, nine million, fifty-three thousand, nine hundred seventy-two".