2621370470417 has 2 divisors, whose sum is σ = 2621370470418. Its totient is φ = 2621370470416.

The previous prime is 2621370470363. The next prime is 2621370470429. The reversal of 2621370470417 is 7140740731262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2465289375376 + 156081095041 = 1570124^2 + 395071^2 .

It is a cyclic number.

It is not a de Polignac number, because 2621370470417 - 2⁸ = 2621370470161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2621370470447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310685235208 + 1310685235209.

It is an arithmetic number, because the mean of its divisors is an integer number (1310685235209).

Almost surely, 2^{2621370470417} is an apocalyptic number.

It is an amenable number.

2621370470417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621370470417 is an equidigital number, since it uses as much as digits as its factorization.

2621370470417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 2621370470417 in words is "two trillion, six hundred twenty-one billion, three hundred seventy million, four hundred seventy thousand, four hundred seventeen".