1046644061 has 4 divisors (see below), whose sum is σ = 1059892800. Its totient is φ = 1033395324.

The previous prime is 1046644057. The next prime is 1046644063. The reversal of 1046644061 is 1604466401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1604466401 = 47 ⋅34137583.

It is a cyclic number.

It is not a de Polignac number, because 1046644061 - 2² = 1046644057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046644063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6624251 + ... + 6624408.

It is an arithmetic number, because the mean of its divisors is an integer number (264973200).

Almost surely, 2^1046644061 is an apocalyptic number.

It is an amenable number.

1046644061 is a deficient number, since it is larger than the sum of its proper divisors (13248739).

1046644061 is an equidigital number, since it uses as much as digits as its factorization.

1046644061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248738.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1046644061 is about 32351.8787862467. The cubic root of 1046644061 is about 1015.3123553533.

The spelling of 1046644061 in words is "one billion, forty-six million, six hundred forty-four thousand, sixty-one".