919473652 has 12 divisors (see below), whose sum is σ = 1664564580. Its totient is φ = 443883776.

The previous prime is 919473649. The next prime is 919473661. The reversal of 919473652 is 256374919.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208398096 + 711075556 = 14436^2 + 26666^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3963133 + ... + 3963364.

It is an arithmetic number, because the mean of its divisors is an integer number (138713715).

Almost surely, 2^919473652 is an apocalyptic number.

It is an amenable number.

919473652 is a deficient number, since it is larger than the sum of its proper divisors (745090928).

919473652 is a wasteful number, since it uses less digits than its factorization.

919473652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7926530 (or 7926528 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 919473652 is about 30322.8239450088. The cubic root of 919473652 is about 972.4033125085.

The spelling of 919473652 in words is "nine hundred nineteen million, four hundred seventy-three thousand, six hundred fifty-two".