234651966399671 has 2 divisors, whose sum is σ = 234651966399672. Its totient is φ = 234651966399670.

The previous prime is 234651966399647. The next prime is 234651966399733. The reversal of 234651966399671 is 176993669156432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234651966399671 - 2¹⁸ = 234651966137527 is a prime.

It is a super-2 number, since 2×234651966399671² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234651966399592 and 234651966399601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234651966399971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117325983199835 + 117325983199836.

It is an arithmetic number, because the mean of its divisors is an integer number (117325983199836).

Almost surely, 2^{234651966399671} is an apocalyptic number.

234651966399671 is a deficient number, since it is larger than the sum of its proper divisors (1).

234651966399671 is an equidigital number, since it uses as much as digits as its factorization.

234651966399671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2380855680, while the sum is 77.

The spelling of 234651966399671 in words is "two hundred thirty-four trillion, six hundred fifty-one billion, nine hundred sixty-six million, three hundred ninety-nine thousand, six hundred seventy-one".