5214121457 has 4 divisors (see below), whose sum is σ = 5216381940. Its totient is φ = 5211860976.

The previous prime is 5214121441. The next prime is 5214121487. The reversal of 5214121457 is 7541214125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2119313296 + 3094808161 = 46036^2 + 55631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5214121457 - 2⁴ = 5214121441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5214121487) 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, 1126778 + ... + 1131395.

It is an arithmetic number, because the mean of its divisors is an integer number (1304095485).

Almost surely, 2^5214121457 is an apocalyptic number.

It is an amenable number.

5214121457 is a deficient number, since it is larger than the sum of its proper divisors (2260483).

5214121457 is a wasteful number, since it uses less digits than its factorization.

5214121457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260482.

The product of its digits is 11200, while the sum is 32.

The square root of 5214121457 is about 72208.8738106336. The cubic root of 5214121457 is about 1734.0450698841.

The spelling of 5214121457 in words is "five billion, two hundred fourteen million, one hundred twenty-one thousand, four hundred fifty-seven".