2102515379 has 2 divisors, whose sum is σ = 2102515380. Its totient is φ = 2102515378.

The previous prime is 2102515369. The next prime is 2102515411. The reversal of 2102515379 is 9735152012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102515379 - 2²⁴ = 2085738163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102515339) 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, 1051257689 + 1051257690.

It is an arithmetic number, because the mean of its divisors is an integer number (1051257690).

Almost surely, 2^2102515379 is an apocalyptic number.

2102515379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102515379 is an equidigital number, since it uses as much as digits as its factorization.

2102515379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2102515379 is about 45853.1937709905. The cubic root of 2102515379 is about 1281.0902533527.

The spelling of 2102515379 in words is "two billion, one hundred two million, five hundred fifteen thousand, three hundred seventy-nine".