696015645 has 16 divisors (see below), whose sum is σ = 1199288832. Its totient is φ = 342653760.

The previous prime is 696015641. The next prime is 696015659. The reversal of 696015645 is 546510696.

It is not a de Polignac number, because 696015645 - 2² = 696015641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 696015597 and 696015606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696015641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1784461 + ... + 1784850.

It is an arithmetic number, because the mean of its divisors is an integer number (74955552).

Almost surely, 2^696015645 is an apocalyptic number.

696015645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

696015645 is a deficient number, since it is larger than the sum of its proper divisors (503273187).

696015645 is a wasteful number, since it uses less digits than its factorization.

696015645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569332.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 696015645 is about 26382.1084259769. The cubic root of 696015645 is about 886.2161644940.

The spelling of 696015645 in words is "six hundred ninety-six million, fifteen thousand, six hundred forty-five".