2015920063 has 2 divisors, whose sum is σ = 2015920064. Its totient is φ = 2015920062.

The previous prime is 2015920037. The next prime is 2015920073. The reversal of 2015920063 is 3600295102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2015920063 - 2²¹ = 2013822911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2015920013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007960031 + 1007960032.

It is an arithmetic number, because the mean of its divisors is an integer number (1007960032).

Almost surely, 2^2015920063 is an apocalyptic number.

2015920063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015920063 is an equidigital number, since it uses as much as digits as its factorization.

2015920063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2015920063 is about 44898.9984632174. The cubic root of 2015920063 is about 1263.2552225236.

The spelling of 2015920063 in words is "two billion, fifteen million, nine hundred twenty thousand, sixty-three".