2150676421 has 4 divisors (see below), whose sum is σ = 2150965600. Its totient is φ = 2150387244.

The previous prime is 2150676419. The next prime is 2150676427. The reversal of 2150676421 is 1246760512.

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 2150676421 - 2¹ = 2150676419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150676427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133131 + ... + 148408.

It is an arithmetic number, because the mean of its divisors is an integer number (537741400).

Almost surely, 2^2150676421 is an apocalyptic number.

It is an amenable number.

2150676421 is a deficient number, since it is larger than the sum of its proper divisors (289179).

2150676421 is an equidigital number, since it uses as much as digits as its factorization.

2150676421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289178.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2150676421 is about 46375.3859390949. The cubic root of 2150676421 is about 1290.7982201990.

The spelling of 2150676421 in words is "two billion, one hundred fifty million, six hundred seventy-six thousand, four hundred twenty-one".