4345841637461 has 2 divisors, whose sum is σ = 4345841637462. Its totient is φ = 4345841637460.

The previous prime is 4345841637433. The next prime is 4345841637493. The reversal of 4345841637461 is 1647361485434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3230937945361 + 1114903692100 = 1797481^2 + 1055890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4345841637461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4345841637397 and 4345841637406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4345840637461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172920818730 + 2172920818731.

It is an arithmetic number, because the mean of its divisors is an integer number (2172920818731).

Almost surely, 2^{4345841637461} is an apocalyptic number.

It is an amenable number.

4345841637461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345841637461 is an equidigital number, since it uses as much as digits as its factorization.

4345841637461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 56.

The spelling of 4345841637461 in words is "four trillion, three hundred forty-five billion, eight hundred forty-one million, six hundred thirty-seven thousand, four hundred sixty-one".