2106415459 has 2 divisors, whose sum is σ = 2106415460. Its totient is φ = 2106415458.

The previous prime is 2106415429. The next prime is 2106415469. The reversal of 2106415459 is 9545146012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106415459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106415429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053207729 + 1053207730.

It is an arithmetic number, because the mean of its divisors is an integer number (1053207730).

Almost surely, 2^2106415459 is an apocalyptic number.

2106415459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106415459 is an equidigital number, since it uses as much as digits as its factorization.

2106415459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2106415459 is about 45895.7019665241. The cubic root of 2106415459 is about 1281.8818874053.

The spelling of 2106415459 in words is "two billion, one hundred six million, four hundred fifteen thousand, four hundred fifty-nine".