502649649 has 12 divisors (see below), whose sum is σ = 728247312. Its totient is φ = 334085400.

The previous prime is 502649647. The next prime is 502649657. The reversal of 502649649 is 946946205.

It is not a de Polignac number, because 502649649 - 2¹ = 502649647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (502649647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81387 + ... + 87344.

It is an arithmetic number, because the mean of its divisors is an integer number (60687276).

Almost surely, 2^502649649 is an apocalyptic number.

It is an amenable number.

502649649 is a deficient number, since it is larger than the sum of its proper divisors (225597663).

502649649 is a wasteful number, since it uses less digits than its factorization.

502649649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169068 (or 169065 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 502649649 is about 22419.8494419566. The cubic root of 502649649 is about 795.1000752149.

The spelling of 502649649 in words is "five hundred two million, six hundred forty-nine thousand, six hundred forty-nine".