693619134245 has 16 divisors (see below), whose sum is σ = 835346503152. Its totient is φ = 552896271360.

The previous prime is 693619134227. The next prime is 693619134269. The reversal of 693619134245 is 542431916396.

It is a Cunningham number, because it is equal to 832838²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 73176201121 + 620442933124 = 270511^2 + 787682^2 .

It is not a de Polignac number, because 693619134245 - 2⁸ = 693619133989 is a prime.

It is a super-2 number, since 2×693619134245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1466315 + ... + 1880775.

It is an arithmetic number, because the mean of its divisors is an integer number (52209156447).

Almost surely, 2^693619134245 is an apocalyptic number.

It is an amenable number.

693619134245 is a deficient number, since it is larger than the sum of its proper divisors (141727368907).

693619134245 is a wasteful number, since it uses less digits than its factorization.

693619134245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415672.

The product of its digits is 4199040, while the sum is 53.

The spelling of 693619134245 in words is "six hundred ninety-three billion, six hundred nineteen million, one hundred thirty-four thousand, two hundred forty-five".