69035940791988 has 12 divisors (see below), whose sum is σ = 161083861848000. Its totient is φ = 23011980263992.

The previous prime is 69035940791971. The next prime is 69035940791989. The reversal of 69035940791988 is 88919704953096.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×69035940791988² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69035940791989) 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, 2876497532988 + ... + 2876497533011.

It is an arithmetic number, because the mean of its divisors is an integer number (13423655154000).

Almost surely, 2^{69035940791988} is an apocalyptic number.

It is an amenable number.

69035940791988 is an abundant number, since it is smaller than the sum of its proper divisors (92047921056012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69035940791988 is a wasteful number, since it uses less digits than its factorization.

69035940791988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752995066006 (or 5752995066004 counting only the distinct ones).

The product of its (nonzero) digits is 1058158080, while the sum is 78.

The spelling of 69035940791988 in words is "sixty-nine trillion, thirty-five billion, nine hundred forty million, seven hundred ninety-one thousand, nine hundred eighty-eight".