70449368929 has 3 divisors (see below), whose sum is σ = 70449634353. Its totient is φ = 70449103506.

The previous prime is 70449368923. The next prime is 70449368933. The reversal of 70449368929 is 92986394407.

The square root of 70449368929 is 265423.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92986394407 = 5119 ⋅18164953.

It is not a de Polignac number, because 70449368929 - 2²¹ = 70447271777 is a prime.

It is a super-2 number, since 2×70449368929² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70449368923) 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, 132712 + ... + 398134.

It is an arithmetic number, because the mean of its divisors is an integer number (23483211451).

Almost surely, 2^70449368929 is an apocalyptic number.

70449368929 is the 265423-rd square number.

70449368929 is the 132712-nd centered octagonal number.

It is an amenable number.

70449368929 is a deficient number, since it is larger than the sum of its proper divisors (265424).

70449368929 is an frugal number, since it uses more digits than its factorization.

70449368929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530846 (or 265423 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 70449368929 in words is "seventy billion, four hundred forty-nine million, three hundred sixty-eight thousand, nine hundred twenty-nine".