2061599835490 has 16 divisors (see below), whose sum is σ = 3996331989048. Its totient is φ = 761206093056.

The previous prime is 2061599835461. The next prime is 2061599835523. The reversal of 2061599835490 is 945389951602.

It can be written as a sum of positive squares in 4 ways, for example, as 1861229904361 + 200369931129 = 1364269^2 + 447627^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7929230007 + ... + 7929230266.

Almost surely, 2^{2061599835490} is an apocalyptic number.

2061599835490 is a deficient number, since it is larger than the sum of its proper divisors (1934732153558).

2061599835490 is a wasteful number, since it uses less digits than its factorization.

2061599835490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15858460293.

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 2061599835490 in words is "two trillion, sixty-one billion, five hundred ninety-nine million, eight hundred thirty-five thousand, four hundred ninety".