650715019 has 2 divisors, whose sum is σ = 650715020. Its totient is φ = 650715018.

The previous prime is 650714969. The next prime is 650715049. The reversal of 650715019 is 910517056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650715019 - 2⁷ = 650714891 is a prime.

It is a super-2 number, since 2×650715019² = 846860071904340722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650715049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325357509 + 325357510.

It is an arithmetic number, because the mean of its divisors is an integer number (325357510).

Almost surely, 2^650715019 is an apocalyptic number.

650715019 is a deficient number, since it is larger than the sum of its proper divisors (1).

650715019 is an equidigital number, since it uses as much as digits as its factorization.

650715019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 650715019 is about 25509.1163900281. The cubic root of 650715019 is about 866.5566183904.

The spelling of 650715019 in words is "six hundred fifty million, seven hundred fifteen thousand, nineteen".