344215454651 has 2 divisors, whose sum is σ = 344215454652. Its totient is φ = 344215454650.

The previous prime is 344215454621. The next prime is 344215454669. The reversal of 344215454651 is 156454512443.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344215454651 - 2¹⁴ = 344215438267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (344215454621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172107727325 + 172107727326.

It is an arithmetic number, because the mean of its divisors is an integer number (172107727326).

Almost surely, 2^344215454651 is an apocalyptic number.

344215454651 is a deficient number, since it is larger than the sum of its proper divisors (1).

344215454651 is an equidigital number, since it uses as much as digits as its factorization.

344215454651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152000, while the sum is 44.

The spelling of 344215454651 in words is "three hundred forty-four billion, two hundred fifteen million, four hundred fifty-four thousand, six hundred fifty-one".