51415049233 has 4 divisors (see below), whose sum is σ = 52139204928. Its totient is φ = 50690893540.

The previous prime is 51415049221. The next prime is 51415049249. The reversal of 51415049233 is 33294051415.

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 an emirpimes, since its reverse is a distinct semiprime: 33294051415 = 5 ⋅6658810283.

It is a cyclic number.

It is not a de Polignac number, because 51415049233 - 2⁵ = 51415049201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51415049192 and 51415049201.

It is not an unprimeable number, because it can be changed into a prime (51415049263) by changing a digit.

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, 362077741 + ... + 362077882.

It is an arithmetic number, because the mean of its divisors is an integer number (13034801232).

Almost surely, 2^51415049233 is an apocalyptic number.

It is an amenable number.

51415049233 is a deficient number, since it is larger than the sum of its proper divisors (724155695).

51415049233 is an equidigital number, since it uses as much as digits as its factorization.

51415049233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724155694.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 51415049233 in words is "fifty-one billion, four hundred fifteen million, forty-nine thousand, two hundred thirty-three".