1449355649 has 32 divisors (see below), whose sum is σ = 1822072320. Its totient is φ = 1125476352.

The previous prime is 1449355643. The next prime is 1449355657. The reversal of 1449355649 is 9465539441.

It is not a de Polignac number, because 1449355649 - 2⁸ = 1449355393 is a prime.

It is a super-2 number, since 2×1449355649² = 4201263594576422402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1449355597 and 1449355606.

It is not an unprimeable number, because it can be changed into a prime (1449355643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244529 + ... + 250385.

It is an arithmetic number, because the mean of its divisors is an integer number (56939760).

Almost surely, 2^1449355649 is an apocalyptic number.

It is an amenable number.

1449355649 is a deficient number, since it is larger than the sum of its proper divisors (372716671).

1449355649 is a wasteful number, since it uses less digits than its factorization.

1449355649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969.

The product of its digits is 2332800, while the sum is 50.

The square root of 1449355649 is about 38070.4038460324. The cubic root of 1449355649 is about 1131.6835137775.

It can be divided in two parts, 1449 and 355649, that multiplied together give a square (515335401 = 22701²).

The spelling of 1449355649 in words is "one billion, four hundred forty-nine million, three hundred fifty-five thousand, six hundred forty-nine".