38430441007493 has 4 divisors (see below), whose sum is σ = 39670132652928. Its totient is φ = 37190749362060.

The previous prime is 38430441007477. The next prime is 38430441007537. The reversal of 38430441007493 is 39470014403483.

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.

It is a cyclic number.

It is not a de Polignac number, because 38430441007493 - 2⁴ = 38430441007477 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 (38430441000493) 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, 619845822671 + ... + 619845822732.

It is an arithmetic number, because the mean of its divisors is an integer number (9917533163232).

Almost surely, 2^{38430441007493} is an apocalyptic number.

It is an amenable number.

38430441007493 is a deficient number, since it is larger than the sum of its proper divisors (1239691645435).

38430441007493 is a wasteful number, since it uses less digits than its factorization.

38430441007493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239691645434.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 38430441007493 in words is "thirty-eight trillion, four hundred thirty billion, four hundred forty-one million, seven thousand, four hundred ninety-three".