2141213557 has 4 divisors (see below), whose sum is σ = 2447101216. Its totient is φ = 1835325900.

The previous prime is 2141213519. The next prime is 2141213611. The reversal of 2141213557 is 7553121412.

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 2141213557 - 2⁷ = 2141213429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141210557) 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, 152943819 + ... + 152943832.

It is an arithmetic number, because the mean of its divisors is an integer number (611775304).

Almost surely, 2^2141213557 is an apocalyptic number.

It is an amenable number.

2141213557 is a deficient number, since it is larger than the sum of its proper divisors (305887659).

2141213557 is an equidigital number, since it uses as much as digits as its factorization.

2141213557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305887658.

The product of its digits is 8400, while the sum is 31.

The square root of 2141213557 is about 46273.2488269410. The cubic root of 2141213557 is about 1288.9022885418.

Adding to 2141213557 its reverse (7553121412), we get a palindrome (9694334969).

It can be divided in two parts, 21412 and 13557, that added together give a square (34969 = 187²).

The spelling of 2141213557 in words is "two billion, one hundred forty-one million, two hundred thirteen thousand, five hundred fifty-seven".