1949447627 has 2 divisors, whose sum is σ = 1949447628. Its totient is φ = 1949447626.

The previous prime is 1949447603. The next prime is 1949447663. The reversal of 1949447627 is 7267449491.

It is a weak prime.

It is an emirp because it is prime and its reverse (7267449491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1949447627 - 2¹⁶ = 1949382091 is a prime.

It is a super-2 number, since 2×1949447627² = 7600692100831862258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1949447677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974723813 + 974723814.

It is an arithmetic number, because the mean of its divisors is an integer number (974723814).

Almost surely, 2^1949447627 is an apocalyptic number.

1949447627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949447627 is an equidigital number, since it uses as much as digits as its factorization.

1949447627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 1949447627 is about 44152.5494960370. The cubic root of 1949447627 is about 1249.2150008843.

The spelling of 1949447627 in words is "one billion, nine hundred forty-nine million, four hundred forty-seven thousand, six hundred twenty-seven".