1068515697 has 4 divisors (see below), whose sum is σ = 1424687600. Its totient is φ = 712343796.

The previous prime is 1068515677. The next prime is 1068515699. The reversal of 1068515697 is 7965158601.

1068515697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1068515697 - 2²² = 1064321393 is a prime.

It is a super-2 number, since 2×1068515697² = 2283451589470791618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068515699) 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, 178085947 + ... + 178085952.

It is an arithmetic number, because the mean of its divisors is an integer number (356171900).

Almost surely, 2^1068515697 is an apocalyptic number.

It is an amenable number.

1068515697 is a deficient number, since it is larger than the sum of its proper divisors (356171903).

1068515697 is an equidigital number, since it uses as much as digits as its factorization.

1068515697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356171902.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 1068515697 is about 32688.1583604828. The cubic root of 1068515697 is about 1022.3359562913.

The spelling of 1068515697 in words is "one billion, sixty-eight million, five hundred fifteen thousand, six hundred ninety-seven".