696615049 has 8 divisors (see below), whose sum is σ = 754011720. Its totient is φ = 639762816.

The previous prime is 696615037. The next prime is 696615067. The reversal of 696615049 is 940516696.

It can be written as a sum of positive squares in 4 ways, for example, as 87759424 + 608855625 = 9368^2 + 24675^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 696615049 - 2¹⁵ = 696582281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696615149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133444 + ... + 138565.

It is an arithmetic number, because the mean of its divisors is an integer number (94251465).

Almost surely, 2^696615049 is an apocalyptic number.

It is an amenable number.

696615049 is a deficient number, since it is larger than the sum of its proper divisors (57396671).

696615049 is a wasteful number, since it uses less digits than its factorization.

696615049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272219.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 696615049 is about 26393.4660285458. The cubic root of 696615049 is about 886.4704926361.

The spelling of 696615049 in words is "six hundred ninety-six million, six hundred fifteen thousand, forty-nine".