2061426452042 has 4 divisors (see below), whose sum is σ = 3092139678066. Its totient is φ = 1030713226020.

The previous prime is 2061426452017. The next prime is 2061426452093. The reversal of 2061426452042 is 2402546241602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2051887218481 + 9539233561 = 1432441^2 + 97669^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2061426451987 and 2061426452005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515356613009 + ... + 515356613012.

Almost surely, 2^{2061426452042} is an apocalyptic number.

2061426452042 is a deficient number, since it is larger than the sum of its proper divisors (1030713226024).

2061426452042 is a wasteful number, since it uses less digits than its factorization.

2061426452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030713226023.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 2061426452042 in words is "two trillion, sixty-one billion, four hundred twenty-six million, four hundred fifty-two thousand, forty-two".