354044958671 has 2 divisors, whose sum is σ = 354044958672. Its totient is φ = 354044958670.

The previous prime is 354044958653. The next prime is 354044958727. The reversal of 354044958671 is 176859440453.

It is a happy number.

It is an a-pointer prime, because the next prime (354044958727) can be obtained adding 354044958671 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354044958671 - 2³⁰ = 352971216847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354044958601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177022479335 + 177022479336.

It is an arithmetic number, because the mean of its divisors is an integer number (177022479336).

Almost surely, 2^354044958671 is an apocalyptic number.

354044958671 is a deficient number, since it is larger than the sum of its proper divisors (1).

354044958671 is an equidigital number, since it uses as much as digits as its factorization.

354044958671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 354044958671 in words is "three hundred fifty-four billion, forty-four million, nine hundred fifty-eight thousand, six hundred seventy-one".