2519461993 has 2 divisors, whose sum is σ = 2519461994. Its totient is φ = 2519461992.

The previous prime is 2519461991. The next prime is 2519462059. The reversal of 2519461993 is 3991649152.

2519461993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1428613209 + 1090848784 = 37797^2 + 33028^2 .

It is a cyclic number.

It is not a de Polignac number, because 2519461993 - 2¹ = 2519461991 is a prime.

Together with 2519461991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2519461991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259730996 + 1259730997.

It is an arithmetic number, because the mean of its divisors is an integer number (1259730997).

Almost surely, 2^2519461993 is an apocalyptic number.

It is an amenable number.

2519461993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2519461993 is an equidigital number, since it uses as much as digits as its factorization.

2519461993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 49.

The square root of 2519461993 is about 50194.2426280146. The cubic root of 2519461993 is about 1360.7215737270.

The spelling of 2519461993 in words is "two billion, five hundred nineteen million, four hundred sixty-one thousand, nine hundred ninety-three".