4445146631 has 2 divisors, whose sum is σ = 4445146632. Its totient is φ = 4445146630.

The previous prime is 4445146619. The next prime is 4445146669. The reversal of 4445146631 is 1366415444.

It is an a-pointer prime, because the next prime (4445146669) can be obtained adding 4445146631 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4445146631 - 2⁶ = 4445146567 is a prime.

It is a super-2 number, since 2×4445146631² = 39518657142181300322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4445146031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222573315 + 2222573316.

It is an arithmetic number, because the mean of its divisors is an integer number (2222573316).

Almost surely, 2^4445146631 is an apocalyptic number.

4445146631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4445146631 is an equidigital number, since it uses as much as digits as its factorization.

4445146631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

The square root of 4445146631 is about 66671.9328578376. The cubic root of 4445146631 is about 1644.2279653754.

The spelling of 4445146631 in words is "four billion, four hundred forty-five million, one hundred forty-six thousand, six hundred thirty-one".