2061404626 has 4 divisors (see below), whose sum is σ = 3092106942. Its totient is φ = 1030702312.

The previous prime is 2061404623. The next prime is 2061404671. The reversal of 2061404626 is 6264041602.

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., 1756867225 + 304537401 = 41915^2 + 17451^2 .

It is not an unprimeable number, because it can be changed into a prime (2061404623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515351155 + ... + 515351158.

Almost surely, 2^2061404626 is an apocalyptic number.

2061404626 is a deficient number, since it is larger than the sum of its proper divisors (1030702316).

2061404626 is a wasteful number, since it uses less digits than its factorization.

2061404626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030702315.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2061404626 is about 45402.6940390105. The cubic root of 2061404626 is about 1272.6854589241.

The spelling of 2061404626 in words is "two billion, sixty-one million, four hundred four thousand, six hundred twenty-six".