2519136490 has 32 divisors (see below), whose sum is σ = 5015238480. Its totient is φ = 905001984.

The previous prime is 2519136469. The next prime is 2519136491. The reversal of 2519136490 is 946319152.

It can be written as a sum of positive squares in 8 ways, for example, as 1869957049 + 649179441 = 43243^2 + 25479^2 .

It is not an unprimeable number, because it can be changed into a prime (2519136491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257055 + ... + 266674.

Almost surely, 2^2519136490 is an apocalyptic number.

2519136490 is a deficient number, since it is larger than the sum of its proper divisors (2496101990).

2519136490 is a wasteful number, since it uses less digits than its factorization.

2519136490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523786.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2519136490 is about 50191.0000896575. Note that the first 4 decimals coincide. The cubic root of 2519136490 is about 1360.6629715292.

The spelling of 2519136490 in words is "two billion, five hundred nineteen million, one hundred thirty-six thousand, four hundred ninety".