69073994772245 has 4 divisors (see below), whose sum is σ = 82888793726700. Its totient is φ = 55259195817792.

The previous prime is 69073994772227. The next prime is 69073994772287. The reversal of 69073994772245 is 54227749937096.

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 54105189718129 + 14968805054116 = 7355623^2 + 3868954^2 .

It is a cyclic number.

It is not a de Polignac number, because 69073994772245 - 2⁸ = 69073994771989 is a prime.

It is a super-2 number, since 2×69073994772245² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6907399477220 + ... + 6907399477229.

It is an arithmetic number, because the mean of its divisors is an integer number (20722198431675).

Almost surely, 2^{69073994772245} is an apocalyptic number.

It is an amenable number.

69073994772245 is a deficient number, since it is larger than the sum of its proper divisors (13814798954455).

69073994772245 is a wasteful number, since it uses less digits than its factorization.

69073994772245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13814798954454.

The product of its (nonzero) digits is 1440270720, while the sum is 74.

The spelling of 69073994772245 in words is "sixty-nine trillion, seventy-three billion, nine hundred ninety-four million, seven hundred seventy-two thousand, two hundred forty-five".