51130433409 has 8 divisors (see below), whose sum is σ = 74371539552. Its totient is φ = 30988141440.

The previous prime is 51130433407. The next prime is 51130433411. The reversal of 51130433409 is 90433403115.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51130433407) and next prime (51130433411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51130433409 - 2¹ = 51130433407 is a prime.

It is a super-2 number, since 2×51130433409² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1549407073 = 51130433409 / (5 + 1 + 1 + 3 + 0 + 4 + 3 + 3 + 4 + 0 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 51130433409.

It is not an unprimeable number, because it can be changed into a prime (51130433407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774703504 + ... + 774703569.

It is an arithmetic number, because the mean of its divisors is an integer number (9296442444).

Almost surely, 2^51130433409 is an apocalyptic number.

It is an amenable number.

51130433409 is a deficient number, since it is larger than the sum of its proper divisors (23241106143).

51130433409 is a wasteful number, since it uses less digits than its factorization.

51130433409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549407087.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 51130433409 in words is "fifty-one billion, one hundred thirty million, four hundred thirty-three thousand, four hundred nine".