65449379 has 2 divisors, whose sum is σ = 65449380. Its totient is φ = 65449378.

The previous prime is 65449361. The next prime is 65449387. The reversal of 65449379 is 97394456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65449379 - 2¹² = 65445283 is a prime.

It is a super-2 number, since 2×65449379² = 8567242422971282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65449399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32724689 + 32724690.

It is an arithmetic number, because the mean of its divisors is an integer number (32724690).

Almost surely, 2^65449379 is an apocalyptic number.

65449379 is a deficient number, since it is larger than the sum of its proper divisors (1).

65449379 is an equidigital number, since it uses as much as digits as its factorization.

65449379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 65449379 is about 8090.0790478215. The cubic root of 65449379 is about 402.9970280574.

The spelling of 65449379 in words is "sixty-five million, four hundred forty-nine thousand, three hundred seventy-nine".