69940055013 has 8 divisors (see below), whose sum is σ = 98161480800. Its totient is φ = 44172666288.

The previous prime is 69940054981. The next prime is 69940055023. The reversal of 69940055013 is 31055004996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69940055013 - 2⁵ = 69940054981 is a prime.

It is a super-2 number, since 2×69940055013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69940055023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613509198 + ... + 613509311.

It is an arithmetic number, because the mean of its divisors is an integer number (12270185100).

Almost surely, 2^69940055013 is an apocalyptic number.

It is an amenable number.

69940055013 is a deficient number, since it is larger than the sum of its proper divisors (28221425787).

69940055013 is a wasteful number, since it uses less digits than its factorization.

69940055013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227018531.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 69940055013 in words is "sixty-nine billion, nine hundred forty million, fifty-five thousand, thirteen".