650772469 has 4 divisors (see below), whose sum is σ = 653365440. Its totient is φ = 648179500.

The previous prime is 650772457. The next prime is 650772487. The reversal of 650772469 is 964277056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650772469 - 2²⁵ = 617218037 is a prime.

It is a super-2 number, since 2×650772469² = 847009612816711922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650773469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296109 + ... + 1296610.

It is an arithmetic number, because the mean of its divisors is an integer number (163341360).

Almost surely, 2^650772469 is an apocalyptic number.

It is an amenable number.

650772469 is a deficient number, since it is larger than the sum of its proper divisors (2592971).

650772469 is a wasteful number, since it uses less digits than its factorization.

650772469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592970.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 650772469 is about 25510.2424331875. The cubic root of 650772469 is about 866.5821196781.

The spelling of 650772469 in words is "six hundred fifty million, seven hundred seventy-two thousand, four hundred sixty-nine".