356443626121 has 4 divisors (see below), whose sum is σ = 388847592144. Its totient is φ = 324039660100.

The previous prime is 356443626073. The next prime is 356443626151. The reversal of 356443626121 is 121626344653.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121626344653 = 11 ⋅11056940423.

It is a cyclic number.

It is not a de Polignac number, because 356443626121 - 2¹⁵ = 356443593353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (356443626151) 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, 16201982995 + ... + 16201983016.

It is an arithmetic number, because the mean of its divisors is an integer number (97211898036).

Almost surely, 2^356443626121 is an apocalyptic number.

It is an amenable number.

356443626121 is a deficient number, since it is larger than the sum of its proper divisors (32403966023).

356443626121 is a wasteful number, since it uses less digits than its factorization.

356443626121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32403966022.

The product of its digits is 622080, while the sum is 43.

The spelling of 356443626121 in words is "three hundred fifty-six billion, four hundred forty-three million, six hundred twenty-six thousand, one hundred twenty-one".