43128976951 has 8 divisors (see below), whose sum is σ = 44553826304. Its totient is φ = 41706227160.

The previous prime is 43128976939. The next prime is 43128976993. The reversal of 43128976951 is 15967982134.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43128976951 - 2¹⁹ = 43128452663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43128976892 and 43128976901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43128976351) 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, 483075 + ... + 565348.

It is an arithmetic number, because the mean of its divisors is an integer number (5569228288).

Almost surely, 2^43128976951 is an apocalyptic number.

43128976951 is a deficient number, since it is larger than the sum of its proper divisors (1424849353).

43128976951 is a wasteful number, since it uses less digits than its factorization.

43128976951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049781.

The product of its digits is 3265920, while the sum is 55.

The spelling of 43128976951 in words is "forty-three billion, one hundred twenty-eight million, nine hundred seventy-six thousand, nine hundred fifty-one".