5121690415 has 4 divisors (see below), whose sum is σ = 6146028504. Its totient is φ = 4097352328.

The previous prime is 5121690359. The next prime is 5121690437. The reversal of 5121690415 is 5140961215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5121690415 - 2¹⁵ = 5121657647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512169037 + ... + 512169046.

It is an arithmetic number, because the mean of its divisors is an integer number (1536507126).

Almost surely, 2^5121690415 is an apocalyptic number.

5121690415 is a deficient number, since it is larger than the sum of its proper divisors (1024338089).

5121690415 is a wasteful number, since it uses less digits than its factorization.

5121690415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024338088.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5121690415 is about 71565.9864390899. The cubic root of 5121690415 is about 1723.7374128583.

The spelling of 5121690415 in words is "five billion, one hundred twenty-one million, six hundred ninety thousand, four hundred fifteen".