1446985747 has 2 divisors, whose sum is σ = 1446985748. Its totient is φ = 1446985746.

The previous prime is 1446985741. The next prime is 1446985781. The reversal of 1446985747 is 7475896441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1446985747 - 2³ = 1446985739 is a prime.

It is a super-2 number, since 2×1446985747² = 4187535504042296018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1446985741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723492873 + 723492874.

It is an arithmetic number, because the mean of its divisors is an integer number (723492874).

Almost surely, 2^1446985747 is an apocalyptic number.

1446985747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1446985747 is an equidigital number, since it uses as much as digits as its factorization.

1446985747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 55.

The square root of 1446985747 is about 38039.2658577949. The cubic root of 1446985747 is about 1131.0663562705.

The spelling of 1446985747 in words is "one billion, four hundred forty-six million, nine hundred eighty-five thousand, seven hundred forty-seven".