4621514642461 has 2 divisors, whose sum is σ = 4621514642462. Its totient is φ = 4621514642460.

The previous prime is 4621514642441. The next prime is 4621514642471. The reversal of 4621514642461 is 1642464151264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4611408361561 + 10106280900 = 2147419^2 + 100530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4621514642461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4621514642431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310757321230 + 2310757321231.

It is an arithmetic number, because the mean of its divisors is an integer number (2310757321231).

Almost surely, 2^{4621514642461} is an apocalyptic number.

It is an amenable number.

4621514642461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621514642461 is an equidigital number, since it uses as much as digits as its factorization.

4621514642461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 46.

The spelling of 4621514642461 in words is "four trillion, six hundred twenty-one billion, five hundred fourteen million, six hundred forty-two thousand, four hundred sixty-one".