2149445762 has 16 divisors (see below), whose sum is σ = 3424611960. Its totient is φ = 1008307968.

The previous prime is 2149445759. The next prime is 2149445777. The reversal of 2149445762 is 2675449412.

It can be written as a sum of positive squares in 4 ways, for example, as 1594325041 + 555120721 = 39929^2 + 23561^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88937 + ... + 110492.

Almost surely, 2^2149445762 is an apocalyptic number.

2149445762 is a deficient number, since it is larger than the sum of its proper divisors (1275166198).

2149445762 is a wasteful number, since it uses less digits than its factorization.

2149445762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199765.

The product of its digits is 483840, while the sum is 44.

The square root of 2149445762 is about 46362.1155902101. The cubic root of 2149445762 is about 1290.5519665826.

The spelling of 2149445762 in words is "two billion, one hundred forty-nine million, four hundred forty-five thousand, seven hundred sixty-two".