301681468261 has 2 divisors, whose sum is σ = 301681468262. Its totient is φ = 301681468260.

The previous prime is 301681468229. The next prime is 301681468303. The reversal of 301681468261 is 162864186103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151733620900 + 149947847361 = 389530^2 + 387231^2 .

It is a cyclic number.

It is not a de Polignac number, because 301681468261 - 2⁵ = 301681468229 is a prime.

It is a super-2 number, since 2×301681468261² (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 (301681468661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150840734130 + 150840734131.

It is an arithmetic number, because the mean of its divisors is an integer number (150840734131).

Almost surely, 2^301681468261 is an apocalyptic number.

It is an amenable number.

301681468261 is a deficient number, since it is larger than the sum of its proper divisors (1).

301681468261 is an equidigital number, since it uses as much as digits as its factorization.

301681468261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 301681468261 in words is "three hundred one billion, six hundred eighty-one million, four hundred sixty-eight thousand, two hundred sixty-one".