15906195379 has 2 divisors, whose sum is σ = 15906195380. Its totient is φ = 15906195378.

The previous prime is 15906195377. The next prime is 15906195443. The reversal of 15906195379 is 97359160951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15906195379 - 2¹ = 15906195377 is a prime.

Together with 15906195377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15906195377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7953097689 + 7953097690.

It is an arithmetic number, because the mean of its divisors is an integer number (7953097690).

Almost surely, 2^15906195379 is an apocalyptic number.

15906195379 is a deficient number, since it is larger than the sum of its proper divisors (1).

15906195379 is an equidigital number, since it uses as much as digits as its factorization.

15906195379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2296350, while the sum is 55.

The spelling of 15906195379 in words is "fifteen billion, nine hundred six million, one hundred ninety-five thousand, three hundred seventy-nine".