2870401209 has 8 divisors (see below), whose sum is σ = 4121601792. Its totient is φ = 1766400720.

The previous prime is 2870401181. The next prime is 2870401213. The reversal of 2870401209 is 9021040782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2870401209 - 2³¹ = 722917561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2870401209.

It is not an unprimeable number, because it can be changed into a prime (2870401229) 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 7 ways as a sum of consecutive naturals, for example, 36799977 + ... + 36800054.

It is an arithmetic number, because the mean of its divisors is an integer number (515200224).

Almost surely, 2^2870401209 is an apocalyptic number.

It is an amenable number.

2870401209 is a deficient number, since it is larger than the sum of its proper divisors (1251200583).

2870401209 is a wasteful number, since it uses less digits than its factorization.

2870401209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73600047.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2870401209 is about 53576.1253638223. The cubic root of 2870401209 is about 1421.1749201077.

The spelling of 2870401209 in words is "two billion, eight hundred seventy million, four hundred one thousand, two hundred nine".