650506165051 has 2 divisors, whose sum is σ = 650506165052. Its totient is φ = 650506165050.

The previous prime is 650506165021. The next prime is 650506165069. The reversal of 650506165051 is 150561605056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650506165051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650506164995 and 650506165013.

It is not a weakly prime, because it can be changed into another prime (650506165021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325253082525 + 325253082526.

It is an arithmetic number, because the mean of its divisors is an integer number (325253082526).

Almost surely, 2^650506165051 is an apocalyptic number.

650506165051 is a deficient number, since it is larger than the sum of its proper divisors (1).

650506165051 is an equidigital number, since it uses as much as digits as its factorization.

650506165051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 650506165051 in words is "six hundred fifty billion, five hundred six million, one hundred sixty-five thousand, fifty-one".