376403425693 has 4 divisors (see below), whose sum is σ = 378800899900. Its totient is φ = 374005951488.

The previous prime is 376403425687. The next prime is 376403425747. The reversal of 376403425693 is 396524304673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 396524304673 = 7 ⋅56646329239.

It can be written as a sum of positive squares in 2 ways, for example, as 48988296889 + 327415128804 = 221333^2 + 572202^2 .

It is a cyclic number.

It is not a de Polignac number, because 376403425693 - 2¹⁷ = 376403294621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 376403425693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376403425663) 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, 1198736868 + ... + 1198737181.

It is an arithmetic number, because the mean of its divisors is an integer number (94700224975).

Almost surely, 2^376403425693 is an apocalyptic number.

It is an amenable number.

376403425693 is a deficient number, since it is larger than the sum of its proper divisors (2397474207).

376403425693 is a wasteful number, since it uses less digits than its factorization.

376403425693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397474206.

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 376403425693 in words is "three hundred seventy-six billion, four hundred three million, four hundred twenty-five thousand, six hundred ninety-three".