730281778141 has 2 divisors, whose sum is σ = 730281778142. Its totient is φ = 730281778140.

The previous prime is 730281778133. The next prime is 730281778199. The reversal of 730281778141 is 141877182037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475210316025 + 255071462116 = 689355^2 + 505046^2 .

It is a cyclic number.

It is not a de Polignac number, because 730281778141 - 2³ = 730281778133 is a prime.

It is a super-2 number, since 2×730281778141² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730281773141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365140889070 + 365140889071.

It is an arithmetic number, because the mean of its divisors is an integer number (365140889071).

Almost surely, 2^730281778141 is an apocalyptic number.

It is an amenable number.

730281778141 is a deficient number, since it is larger than the sum of its proper divisors (1).

730281778141 is an equidigital number, since it uses as much as digits as its factorization.

730281778141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 526848, while the sum is 49.

The spelling of 730281778141 in words is "seven hundred thirty billion, two hundred eighty-one million, seven hundred seventy-eight thousand, one hundred forty-one".