38430050749 has 4 divisors (see below), whose sum is σ = 39003633664. Its totient is φ = 37856467836.

The previous prime is 38430050713. The next prime is 38430050753. The reversal of 38430050749 is 94705003483.

38430050749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 38430050749 - 2³⁵ = 4070312381 is a prime.

It is a super-2 number, since 2×38430050749² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38430054749) 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, 286791357 + ... + 286791490.

It is an arithmetic number, because the mean of its divisors is an integer number (9750908416).

Almost surely, 2^38430050749 is an apocalyptic number.

It is an amenable number.

38430050749 is a deficient number, since it is larger than the sum of its proper divisors (573582915).

38430050749 is an equidigital number, since it uses as much as digits as its factorization.

38430050749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573582914.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 38430050749 in words is "thirty-eight billion, four hundred thirty million, fifty thousand, seven hundred forty-nine".