353973006449 has 4 divisors (see below), whose sum is σ = 365391490560. Its totient is φ = 342554522340.

The previous prime is 353973006419. The next prime is 353973006451. The reversal of 353973006449 is 944600379353.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944600379353 = 23 ⋅41069581711.

It is a cyclic number.

It is not a de Polignac number, because 353973006449 - 2¹² = 353973002353 is a prime.

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 353973006449.

It is not an unprimeable number, because it can be changed into a prime (353973006419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709242009 + ... + 5709242070.

It is an arithmetic number, because the mean of its divisors is an integer number (91347872640).

Almost surely, 2^353973006449 is an apocalyptic number.

It is an amenable number.

353973006449 is a deficient number, since it is larger than the sum of its proper divisors (11418484111).

353973006449 is a wasteful number, since it uses less digits than its factorization.

353973006449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418484110.

The product of its (nonzero) digits is 7348320, while the sum is 53.

The spelling of 353973006449 in words is "three hundred fifty-three billion, nine hundred seventy-three million, six thousand, four hundred forty-nine".