1913653907 has 8 divisors (see below), whose sum is σ = 2104061952. Its totient is φ = 1725985800.

The previous prime is 1913653877. The next prime is 1913653919. The reversal of 1913653907 is 7093563191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1913653907 - 2¹⁰ = 1913652883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1913653957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683519 + ... + 686312.

It is an arithmetic number, because the mean of its divisors is an integer number (263007744).

Almost surely, 2^1913653907 is an apocalyptic number.

1913653907 is a deficient number, since it is larger than the sum of its proper divisors (190408045).

1913653907 is a wasteful number, since it uses less digits than its factorization.

1913653907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369969.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 1913653907 is about 43745.3301164821. The cubic root of 1913653907 is about 1241.5221307389.

The spelling of 1913653907 in words is "one billion, nine hundred thirteen million, six hundred fifty-three thousand, nine hundred seven".