16070571449 has 2 divisors, whose sum is σ = 16070571450. Its totient is φ = 16070571448.

The previous prime is 16070571401. The next prime is 16070571479. The reversal of 16070571449 is 94417507061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8311604224 + 7758967225 = 91168^2 + 88085^2 .

It is a cyclic number.

It is not a de Polignac number, because 16070571449 - 2³² = 11775604153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16070571479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035285724 + 8035285725.

It is an arithmetic number, because the mean of its divisors is an integer number (8035285725).

Almost surely, 2^16070571449 is an apocalyptic number.

It is an amenable number.

16070571449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16070571449 is an equidigital number, since it uses as much as digits as its factorization.

16070571449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 16070571449 in words is "sixteen billion, seventy million, five hundred seventy-one thousand, four hundred forty-nine".