2150857369 has 4 divisors (see below), whose sum is σ = 2151144720. Its totient is φ = 2150570020.

The previous prime is 2150857367. The next prime is 2150857411. The reversal of 2150857369 is 9637580512.

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 2150857369 - 2¹ = 2150857367 is a prime.

It is a super-2 number, since 2×2150857369² = 9252374843563204322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150857367) 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, 132139 + ... + 147520.

It is an arithmetic number, because the mean of its divisors is an integer number (537786180).

Almost surely, 2^2150857369 is an apocalyptic number.

It is an amenable number.

2150857369 is a deficient number, since it is larger than the sum of its proper divisors (287351).

2150857369 is an equidigital number, since it uses as much as digits as its factorization.

2150857369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287350.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 2150857369 is about 46377.3368036587. The cubic root of 2150857369 is about 1290.8344197878.

The spelling of 2150857369 in words is "two billion, one hundred fifty million, eight hundred fifty-seven thousand, three hundred sixty-nine".