127375205413433 has 4 divisors (see below), whose sum is σ = 128806387496820. Its totient is φ = 125944023330048.

The previous prime is 127375205413429. The next prime is 127375205413441. The reversal of 127375205413433 is 334314502573721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55333186522384 + 72042018891049 = 7438628^2 + 8487757^2 .

It is a cyclic number.

It is not a de Polignac number, because 127375205413433 - 2² = 127375205413429 is a prime.

It is a super-2 number, since 2×127375205413433² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127375205413033) 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, 715591041560 + ... + 715591041737.

It is an arithmetic number, because the mean of its divisors is an integer number (32201596874205).

Almost surely, 2^{127375205413433} is an apocalyptic number.

It is an amenable number.

127375205413433 is a deficient number, since it is larger than the sum of its proper divisors (1431182083387).

127375205413433 is an equidigital number, since it uses as much as digits as its factorization.

127375205413433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431182083386.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 127375205413433 in words is "one hundred twenty-seven trillion, three hundred seventy-five billion, two hundred five million, four hundred thirteen thousand, four hundred thirty-three".