1653496149 has 32 divisors (see below), whose sum is σ = 2290544640. Its totient is φ = 1060488000.

The previous prime is 1653496139. The next prime is 1653496153. The reversal of 1653496149 is 9416943561.

It is a happy number.

It is not a de Polignac number, because 1653496149 - 2⁴ = 1653496133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1653496098 and 1653496107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653496129) 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, 1603264 + ... + 1604294.

It is an arithmetic number, because the mean of its divisors is an integer number (71579520).

Almost surely, 2^1653496149 is an apocalyptic number.

It is an amenable number.

1653496149 is a deficient number, since it is larger than the sum of its proper divisors (637048491).

1653496149 is a wasteful number, since it uses less digits than its factorization.

1653496149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281.

The product of its digits is 699840, while the sum is 48.

The square root of 1653496149 is about 40663.2038703297. The cubic root of 1653496149 is about 1182.4997636128.

The spelling of 1653496149 in words is "one billion, six hundred fifty-three million, four hundred ninety-six thousand, one hundred forty-nine".