69461873315641 has 3 divisors (see below), whose sum is σ = 69461881650021. Its totient is φ = 69461864981262.

The previous prime is 69461873315599. The next prime is 69461873315647. The reversal of 69461873315641 is 14651337816496.

The square root of 69461873315641 is 8334379.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-69461873315641 is a prime.

It is a super-3 number, since 3×69461873315641³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69461873315647) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4167190 + ... + 12501568.

It is an arithmetic number, because the mean of its divisors is an integer number (23153960550007).

Almost surely, 2^{69461873315641} is an apocalyptic number.

69461873315641 is the 8334379-th square number.

69461873315641 is the 4167190-th centered octagonal number.

It is an amenable number.

69461873315641 is a deficient number, since it is larger than the sum of its proper divisors (8334380).

69461873315641 is an frugal number, since it uses more digits than its factorization.

69461873315641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16668758 (or 8334379 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 64.

The spelling of 69461873315641 in words is "sixty-nine trillion, four hundred sixty-one billion, eight hundred seventy-three million, three hundred fifteen thousand, six hundred forty-one".