64231328435 has 16 divisors (see below), whose sum is σ = 77550216480. Its totient is φ = 51070824960.

The previous prime is 64231328431. The next prime is 64231328467. The reversal of 64231328435 is 53482313246.

It is a happy number.

It is not a de Polignac number, because 64231328435 - 2² = 64231328431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64231328392 and 64231328401.

It is not an unprimeable number, because it can be changed into a prime (64231328431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 560984 + ... + 665706.

It is an arithmetic number, because the mean of its divisors is an integer number (4846888530).

Almost surely, 2^64231328435 is an apocalyptic number.

64231328435 is a deficient number, since it is larger than the sum of its proper divisors (13318888045).

64231328435 is a wasteful number, since it uses less digits than its factorization.

64231328435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105478.

The product of its digits is 414720, while the sum is 41.

The spelling of 64231328435 in words is "sixty-four billion, two hundred thirty-one million, three hundred twenty-eight thousand, four hundred thirty-five".