4397438761129 has 4 divisors (see below), whose sum is σ = 4459374518400. Its totient is φ = 4335503003860.

The previous prime is 4397438761123. The next prime is 4397438761169. The reversal of 4397438761129 is 9211678347934.

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.

It is a cyclic number.

It is not a de Polignac number, because 4397438761129 - 2¹³ = 4397438752937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4397438761123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30967878529 + ... + 30967878670.

It is an arithmetic number, because the mean of its divisors is an integer number (1114843629600).

Almost surely, 2^{4397438761129} is an apocalyptic number.

It is an amenable number.

4397438761129 is a deficient number, since it is larger than the sum of its proper divisors (61935757271).

4397438761129 is an equidigital number, since it uses as much as digits as its factorization.

4397438761129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61935757270.

The product of its digits is 54867456, while the sum is 64.

The spelling of 4397438761129 in words is "four trillion, three hundred ninety-seven billion, four hundred thirty-eight million, seven hundred sixty-one thousand, one hundred twenty-nine".