3993472623145 has 8 divisors (see below), whose sum is σ = 4799573901504. Its totient is φ = 3189840262704.

The previous prime is 3993472623043. The next prime is 3993472623149. The reversal of 3993472623145 is 5413262743993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3993472623145 - 2¹⁷ = 3993472492073 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 3993472623145.

It is not an unprimeable number, because it can be changed into a prime (3993472623149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617225919 + ... + 617232388.

It is an arithmetic number, because the mean of its divisors is an integer number (599946737688).

Almost surely, 2^{3993472623145} is an apocalyptic number.

It is an amenable number.

3993472623145 is a deficient number, since it is larger than the sum of its proper divisors (806101278359).

3993472623145 is a wasteful number, since it uses less digits than its factorization.

3993472623145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234458959.

The product of its digits is 29393280, while the sum is 58.

The spelling of 3993472623145 in words is "three trillion, nine hundred ninety-three billion, four hundred seventy-two million, six hundred twenty-three thousand, one hundred forty-five".