1913303332 has 6 divisors (see below), whose sum is σ = 3348280838. Its totient is φ = 956651664.

The previous prime is 1913303321. The next prime is 1913303347. The reversal of 1913303332 is 2333033191.

It can be written as a sum of positive squares in only one way, i.e., 1886512356 + 26790976 = 43434^2 + 5176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1913303332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239162913 + ... + 239162920.

Almost surely, 2^1913303332 is an apocalyptic number.

It is an amenable number.

1913303332 is a deficient number, since it is larger than the sum of its proper divisors (1434977506).

1913303332 is a wasteful number, since it uses less digits than its factorization.

1913303332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478325837 (or 478325835 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 1913303332 is about 43741.3229338117. The cubic root of 1913303332 is about 1241.4463118738.

The spelling of 1913303332 in words is "one billion, nine hundred thirteen million, three hundred three thousand, three hundred thirty-two".