2002117461451 has 2 divisors, whose sum is σ = 2002117461452. Its totient is φ = 2002117461450.

The previous prime is 2002117461319. The next prime is 2002117461479. The reversal of 2002117461451 is 1541647112002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002117461451 - 2⁹ = 2002117460939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002117461251) 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, 1001058730725 + 1001058730726.

It is an arithmetic number, because the mean of its divisors is an integer number (1001058730726).

Almost surely, 2^{2002117461451} is an apocalyptic number.

2002117461451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002117461451 is an equidigital number, since it uses as much as digits as its factorization.

2002117461451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 2002117461451 in words is "two trillion, two billion, one hundred seventeen million, four hundred sixty-one thousand, four hundred fifty-one".