2987438329 has 4 divisors (see below), whose sum is σ = 3117326976. Its totient is φ = 2857549684.

The previous prime is 2987438327. The next prime is 2987438341. The reversal of 2987438329 is 9238347892.

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.

It is a cyclic number.

It is not a de Polignac number, because 2987438329 - 2¹ = 2987438327 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2987438329.

It is not an unprimeable number, because it can be changed into a prime (2987438323) 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, 64944289 + ... + 64944334.

It is an arithmetic number, because the mean of its divisors is an integer number (779331744).

Almost surely, 2^2987438329 is an apocalyptic number.

It is an amenable number.

2987438329 is a deficient number, since it is larger than the sum of its proper divisors (129888647).

2987438329 is a wasteful number, since it uses less digits than its factorization.

2987438329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129888646.

The product of its digits is 5225472, while the sum is 55.

The square root of 2987438329 is about 54657.4636166004. The cubic root of 2987438329 is about 1440.2337469381.

The spelling of 2987438329 in words is "two billion, nine hundred eighty-seven million, four hundred thirty-eight thousand, three hundred twenty-nine".