234780351629 has 2 divisors, whose sum is σ = 234780351630. Its totient is φ = 234780351628.

The previous prime is 234780351593. The next prime is 234780351649. The reversal of 234780351629 is 926153087432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138311097604 + 96469254025 = 371902^2 + 310595^2 .

It is a cyclic number.

It is not a de Polignac number, because 234780351629 - 2⁸ = 234780351373 is a prime.

It is a super-2 number, since 2×234780351629² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234780351649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117390175814 + 117390175815.

It is an arithmetic number, because the mean of its divisors is an integer number (117390175815).

It is a 1-persistent number, because it is pandigital, but 2⋅234780351629 = 469560703258 is not.

Almost surely, 2^234780351629 is an apocalyptic number.

It is an amenable number.

234780351629 is a deficient number, since it is larger than the sum of its proper divisors (1).

234780351629 is an equidigital number, since it uses as much as digits as its factorization.

234780351629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 234780351629 in words is "two hundred thirty-four billion, seven hundred eighty million, three hundred fifty-one thousand, six hundred twenty-nine".