696540006470489 has 4 divisors (see below), whose sum is σ = 697626652347060. Its totient is φ = 695453360593920.

The previous prime is 696540006470423. The next prime is 696540006470491. The reversal of 696540006470489 is 984074600045696.

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 568168387256089 + 128371619214400 = 23836283^2 + 11330120^2 .

It is a cyclic number.

It is not a de Polignac number, because 696540006470489 - 2¹⁶ = 696540006404953 is a prime.

It is a super-2 number, since 2×696540006470489² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696540006472489) 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, 543322937324 + ... + 543322938605.

It is an arithmetic number, because the mean of its divisors is an integer number (174406663086765).

Almost surely, 2^{696540006470489} is an apocalyptic number.

It is an amenable number.

696540006470489 is a deficient number, since it is larger than the sum of its proper divisors (1086645876571).

696540006470489 is a wasteful number, since it uses less digits than its factorization.

696540006470489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086645876570.

The product of its (nonzero) digits is 313528320, while the sum is 68.

The spelling of 696540006470489 in words is "six hundred ninety-six trillion, five hundred forty billion, six million, four hundred seventy thousand, four hundred eighty-nine".