69412638061 has 6 divisors (see below), whose sum is σ = 75162797610. Its totient is φ = 64073204208.

The previous prime is 69412638059. The next prime is 69412638077. The reversal of 69412638061 is 16083621496.

It can be written as a sum of positive squares in 3 ways, for example, as 206813161 + 69205824900 = 14381^2 + 263070^2 .

It is not a de Polignac number, because 69412638061 - 2¹ = 69412638059 is a prime.

It is a super-2 number, since 2×69412638061² (a number of 22 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 (69412638091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205362666 + ... + 205363003.

It is an arithmetic number, because the mean of its divisors is an integer number (12527132935).

Almost surely, 2^69412638061 is an apocalyptic number.

It is an amenable number.

69412638061 is a deficient number, since it is larger than the sum of its proper divisors (5750159549).

69412638061 is a wasteful number, since it uses less digits than its factorization.

69412638061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410725695 (or 410725682 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 69412638061 in words is "sixty-nine billion, four hundred twelve million, six hundred thirty-eight thousand, sixty-one".