438290647093 has 16 divisors (see below), whose sum is σ = 492660967680. Its totient is φ = 386880683904.

The previous prime is 438290647061. The next prime is 438290647111. The reversal of 438290647093 is 390746092834.

It is a happy number.

It is not a de Polignac number, because 438290647093 - 2⁵ = 438290647061 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 (438290647033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914905 + ... + 1309057.

It is an arithmetic number, because the mean of its divisors is an integer number (30791310480).

Almost surely, 2^438290647093 is an apocalyptic number.

It is an amenable number.

438290647093 is a deficient number, since it is larger than the sum of its proper divisors (54370320587).

438290647093 is a wasteful number, since it uses less digits than its factorization.

438290647093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397908.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 438290647093 in words is "four hundred thirty-eight billion, two hundred ninety million, six hundred forty-seven thousand, ninety-three".