69427764460021 has 32 divisors (see below), whose sum is σ = 80323796448000. Its totient is φ = 59407682880000.

The previous prime is 69427764460003. The next prime is 69427764460049. The reversal of 69427764460021 is 12006446772496.

It is a cyclic number.

It is not a de Polignac number, because 69427764460021 - 2¹¹ = 69427764457973 is a prime.

It is a super-3 number, since 3×69427764460021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69427764460721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14975680 + ... + 19055878.

It is an arithmetic number, because the mean of its divisors is an integer number (2510118639000).

Almost surely, 2^{69427764460021} is an apocalyptic number.

It is an amenable number.

69427764460021 is a deficient number, since it is larger than the sum of its proper divisors (10896031987979).

69427764460021 is a wasteful number, since it uses less digits than its factorization.

69427764460021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081581.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 69427764460021 in words is "sixty-nine trillion, four hundred twenty-seven billion, seven hundred sixty-four million, four hundred sixty thousand, twenty-one".