919396697 has 4 divisors (see below), whose sum is σ = 934468836. Its totient is φ = 904324560.

The previous prime is 919396663. The next prime is 919396711. The reversal of 919396697 is 796693919.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133379401 + 786017296 = 11549^2 + 28036^2 .

It is a cyclic number.

It is not a de Polignac number, because 919396697 - 2¹² = 919392601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (919396627) 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, 7535978 + ... + 7536099.

It is an arithmetic number, because the mean of its divisors is an integer number (233617209).

Almost surely, 2^919396697 is an apocalyptic number.

It is an amenable number.

919396697 is a deficient number, since it is larger than the sum of its proper divisors (15072139).

919396697 is a wasteful number, since it uses less digits than its factorization.

919396697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072138.

The product of its digits is 4960116, while the sum is 59.

The square root of 919396697 is about 30321.5549898088. The cubic root of 919396697 is about 972.3761834423.

The spelling of 919396697 in words is "nine hundred nineteen million, three hundred ninety-six thousand, six hundred ninety-seven".