69145989430061 has 8 divisors (see below), whose sum is σ = 69274528164864. Its totient is φ = 69017453380080.

The previous prime is 69145989430027. The next prime is 69145989430097. The reversal of 69145989430061 is 16003498954196.

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

It is a cyclic number.

It is not a de Polignac number, because 69145989430061 - 2²⁶ = 69145922321197 is a prime.

It is a super-2 number, since 2×69145989430061² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69145989430061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69145989430361) 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, 55202660 + ... + 56441346.

It is an arithmetic number, because the mean of its divisors is an integer number (8659316020608).

Almost surely, 2^{69145989430061} is an apocalyptic number.

It is an amenable number.

69145989430061 is a deficient number, since it is larger than the sum of its proper divisors (128538734803).

69145989430061 is a wasteful number, since it uses less digits than its factorization.

69145989430061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342411.

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 69145989430061 in words is "sixty-nine trillion, one hundred forty-five billion, nine hundred eighty-nine million, four hundred thirty thousand, sixty-one".