376435542121 has 4 divisors (see below), whose sum is σ = 382606616644. Its totient is φ = 370264467600.

The previous prime is 376435542089. The next prime is 376435542157. The reversal of 376435542121 is 121245534673.

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 101687643225 + 274747898896 = 318885^2 + 524164^2 .

It is a cyclic number.

It is not a de Polignac number, because 376435542121 - 2⁵ = 376435542089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (376435542191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3085537170 + ... + 3085537291.

It is an arithmetic number, because the mean of its divisors is an integer number (95651654161).

Almost surely, 2^376435542121 is an apocalyptic number.

It is an amenable number.

376435542121 is a deficient number, since it is larger than the sum of its proper divisors (6171074523).

376435542121 is an equidigital number, since it uses as much as digits as its factorization.

376435542121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171074522.

The product of its digits is 604800, while the sum is 43.

The spelling of 376435542121 in words is "three hundred seventy-six billion, four hundred thirty-five million, five hundred forty-two thousand, one hundred twenty-one".