1624340434261 has 2 divisors, whose sum is σ = 1624340434262. Its totient is φ = 1624340434260.

The previous prime is 1624340434247. The next prime is 1624340434369.

1624340434261 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951563181361 + 672777252900 = 975481^2 + 820230^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1624340434261 - 2⁷ = 1624340434133 is a prime.

It is a super-2 number, since 2×1624340434261² (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 (1624340434061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812170217130 + 812170217131.

It is an arithmetic number, because the mean of its divisors is an integer number (812170217131).

Almost surely, 2^{1624340434261} is an apocalyptic number.

It is an amenable number.

1624340434261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1624340434261 is an equidigital number, since it uses as much as digits as its factorization.

1624340434261 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 40.

The spelling of 1624340434261 in words is "one trillion, six hundred twenty-four billion, three hundred forty million, four hundred thirty-four thousand, two hundred sixty-one".