2126570741 has 4 divisors (see below), whose sum is σ = 2126669952. Its totient is φ = 2126471532.

The previous prime is 2126570737. The next prime is 2126570773. The reversal of 2126570741 is 1470756212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2126570741 - 2² = 2126570737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126570711) 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, 2615 + ... + 65268.

It is an arithmetic number, because the mean of its divisors is an integer number (531667488).

Almost surely, 2^2126570741 is an apocalyptic number.

It is an amenable number.

2126570741 is a deficient number, since it is larger than the sum of its proper divisors (99211).

2126570741 is an equidigital number, since it uses as much as digits as its factorization.

2126570741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99210.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 2126570741 is about 46114.7562175059. The cubic root of 2126570741 is about 1285.9574873054.

The spelling of 2126570741 in words is "two billion, one hundred twenty-six million, five hundred seventy thousand, seven hundred forty-one".