2919538913 has 2 divisors, whose sum is σ = 2919538914. Its totient is φ = 2919538912.

The previous prime is 2919538889. The next prime is 2919539023. The reversal of 2919538913 is 3198359192.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2836947169 + 82591744 = 53263^2 + 9088^2 .

It is a cyclic number.

It is not a de Polignac number, because 2919538913 - 2⁶ = 2919538849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2919568913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459769456 + 1459769457.

It is an arithmetic number, because the mean of its divisors is an integer number (1459769457).

Almost surely, 2^2919538913 is an apocalyptic number.

It is an amenable number.

2919538913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2919538913 is an equidigital number, since it uses as much as digits as its factorization.

2919538913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 2919538913 is about 54032.7577771115. The cubic root of 2919538913 is about 1429.2386631477.

The spelling of 2919538913 in words is "two billion, nine hundred nineteen million, five hundred thirty-eight thousand, nine hundred thirteen".