69001924381 has 4 divisors (see below), whose sum is σ = 74309764732. Its totient is φ = 63694084032.

The previous prime is 69001924373. The next prime is 69001924403. The reversal of 69001924381 is 18342910096.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43035502500 + 25966421881 = 207450^2 + 161141^2 .

It is a cyclic number.

It is not a de Polignac number, because 69001924381 - 2³ = 69001924373 is a prime.

It is a super-2 number, since 2×69001924381² (a number of 22 digits) contains 22 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 (69001924331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653920156 + ... + 2653920181.

It is an arithmetic number, because the mean of its divisors is an integer number (18577441183).

Almost surely, 2^69001924381 is an apocalyptic number.

It is an amenable number.

69001924381 is a deficient number, since it is larger than the sum of its proper divisors (5307840351).

69001924381 is a wasteful number, since it uses less digits than its factorization.

69001924381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5307840350.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 69001924381 in words is "sixty-nine billion, one million, nine hundred twenty-four thousand, three hundred eighty-one".