2126179245 has 8 divisors (see below), whose sum is σ = 3401886816. Its totient is φ = 1133962256.

The previous prime is 2126179243. The next prime is 2126179267. The reversal of 2126179245 is 5429716212.

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

It is a cyclic number.

It is not a de Polignac number, because 2126179245 - 2¹ = 2126179243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126179243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70872627 + ... + 70872656.

It is an arithmetic number, because the mean of its divisors is an integer number (425235852).

Almost surely, 2^2126179245 is an apocalyptic number.

It is an amenable number.

2126179245 is a deficient number, since it is larger than the sum of its proper divisors (1275707571).

2126179245 is a wasteful number, since it uses less digits than its factorization.

2126179245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141745291.

The product of its digits is 60480, while the sum is 39.

The square root of 2126179245 is about 46110.5112203281. The cubic root of 2126179245 is about 1285.8785686815.

The spelling of 2126179245 in words is "two billion, one hundred twenty-six million, one hundred seventy-nine thousand, two hundred forty-five".