390106154173 has 4 divisors (see below), whose sum is σ = 390107884860. Its totient is φ = 390104423488.

The previous prime is 390106154147. The next prime is 390106154177. The reversal of 390106154173 is 371451601093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 371451601093 = 41597 ⋅8929769.

It can be written as a sum of positive squares in 2 ways, for example, as 268135481124 + 121970673049 = 517818^2 + 349243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390106154173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390106154177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465718 + ... + 998551.

It is an arithmetic number, because the mean of its divisors is an integer number (97526971215).

Almost surely, 2^390106154173 is an apocalyptic number.

It is an amenable number.

390106154173 is a deficient number, since it is larger than the sum of its proper divisors (1730687).

390106154173 is a wasteful number, since it uses less digits than its factorization.

390106154173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730686.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 390106154173 in words is "three hundred ninety billion, one hundred six million, one hundred fifty-four thousand, one hundred seventy-three".