634330177343 has 2 divisors, whose sum is σ = 634330177344. Its totient is φ = 634330177342.

The previous prime is 634330177319. The next prime is 634330177427. The reversal of 634330177343 is 343771033436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634330177343 - 2¹² = 634330173247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634330177294 and 634330177303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631330177343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317165088671 + 317165088672.

It is an arithmetic number, because the mean of its divisors is an integer number (317165088672).

Almost surely, 2^634330177343 is an apocalyptic number.

634330177343 is a deficient number, since it is larger than the sum of its proper divisors (1).

634330177343 is an equidigital number, since it uses as much as digits as its factorization.

634330177343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 44.

The spelling of 634330177343 in words is "six hundred thirty-four billion, three hundred thirty million, one hundred seventy-seven thousand, three hundred forty-three".