1650464633 has 2 divisors, whose sum is σ = 1650464634. Its totient is φ = 1650464632.

The previous prime is 1650464623. The next prime is 1650464671. The reversal of 1650464633 is 3364640561.

It is an a-pointer prime, because the next prime (1650464671) can be obtained adding 1650464633 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873616249 + 776848384 = 29557^2 + 27872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650464633 - 2²⁴ = 1633687417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1650464623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825232316 + 825232317.

It is an arithmetic number, because the mean of its divisors is an integer number (825232317).

Almost surely, 2^1650464633 is an apocalyptic number.

It is an amenable number.

1650464633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650464633 is an equidigital number, since it uses as much as digits as its factorization.

1650464633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 1650464633 is about 40625.9108574811. The cubic root of 1650464633 is about 1181.7766574119.

The spelling of 1650464633 in words is "one billion, six hundred fifty million, four hundred sixty-four thousand, six hundred thirty-three".