39456436089 has 32 divisors (see below), whose sum is σ = 63394560000. Its totient is φ = 21324086784.

The previous prime is 39456436087. The next prime is 39456436099. The reversal of 39456436089 is 98063465493.

It is not a de Polignac number, because 39456436089 - 2¹ = 39456436087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (39456436087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156457 + ... + 321545.

It is an arithmetic number, because the mean of its divisors is an integer number (1981080000).

Almost surely, 2^39456436089 is an apocalyptic number.

It is an amenable number.

39456436089 is a deficient number, since it is larger than the sum of its proper divisors (23938123911).

39456436089 is a wasteful number, since it uses less digits than its factorization.

39456436089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165717.

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 39456436089 in words is "thirty-nine billion, four hundred fifty-six million, four hundred thirty-six thousand, eighty-nine".