2151350441 has 4 divisors (see below), whose sum is σ = 2151690384. Its totient is φ = 2151010500.

The previous prime is 2151350389. The next prime is 2151350477. The reversal of 2151350441 is 1440531512.

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 2151350441 - 2¹⁸ = 2151088297 is a prime.

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 2151350441.

It is not an unprimeable number, because it can be changed into a prime (2151350491) 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, 160295 + ... + 173196.

It is an arithmetic number, because the mean of its divisors is an integer number (537922596).

Almost surely, 2^2151350441 is an apocalyptic number.

It is an amenable number.

2151350441 is a deficient number, since it is larger than the sum of its proper divisors (339943).

2151350441 is an equidigital number, since it uses as much as digits as its factorization.

2151350441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339942.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2151350441 is about 46382.6523713338. The cubic root of 2151350441 is about 1290.9330511039.

Adding to 2151350441 its reverse (1440531512), we get a palindrome (3591881953).

The spelling of 2151350441 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, four hundred forty-one".