356109621149 has 2 divisors, whose sum is σ = 356109621150. Its totient is φ = 356109621148.

The previous prime is 356109621143. The next prime is 356109621167. The reversal of 356109621149 is 941126901653.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343023405124 + 13086216025 = 585682^2 + 114395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356109621149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356109621143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178054810574 + 178054810575.

It is an arithmetic number, because the mean of its divisors is an integer number (178054810575).

Almost surely, 2^356109621149 is an apocalyptic number.

It is an amenable number.

356109621149 is a deficient number, since it is larger than the sum of its proper divisors (1).

356109621149 is an equidigital number, since it uses as much as digits as its factorization.

356109621149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 356109621149 in words is "three hundred fifty-six billion, one hundred nine million, six hundred twenty-one thousand, one hundred forty-nine".