697101590963551 has 16 divisors (see below), whose sum is σ = 701557219667200. Its totient is φ = 692648164923840.

The previous prime is 697101590963549. The next prime is 697101590963567. The reversal of 697101590963551 is 155369095101796.

It is a cyclic number.

It is not a de Polignac number, because 697101590963551 - 2¹ = 697101590963549 is a prime.

It is a super-2 number, since 2×697101590963551² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697101590966551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18678515971 + ... + 18678553291.

It is an arithmetic number, because the mean of its divisors is an integer number (43847326229200).

Almost surely, 2^{697101590963551} is an apocalyptic number.

697101590963551 is a deficient number, since it is larger than the sum of its proper divisors (4455628703649).

697101590963551 is a wasteful number, since it uses less digits than its factorization.

697101590963551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63646.

The product of its (nonzero) digits is 68890500, while the sum is 67.

The spelling of 697101590963551 in words is "six hundred ninety-seven trillion, one hundred one billion, five hundred ninety million, nine hundred sixty-three thousand, five hundred fifty-one".