38670453757509 has 32 divisors (see below), whose sum is σ = 58960328878080. Its totient is φ = 22084684074432.

The previous prime is 38670453757489. The next prime is 38670453757531. The reversal of 38670453757509 is 90575735407683.

It is not a de Polignac number, because 38670453757509 - 2¹⁵ = 38670453724741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670453757409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319744152 + ... + 319865070.

It is an arithmetic number, because the mean of its divisors is an integer number (1842510277440).

Almost surely, 2^{38670453757509} is an apocalyptic number.

It is an amenable number.

38670453757509 is a deficient number, since it is larger than the sum of its proper divisors (20289875120571).

38670453757509 is a wasteful number, since it uses less digits than its factorization.

38670453757509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129569.

The product of its (nonzero) digits is 666792000, while the sum is 69.

The spelling of 38670453757509 in words is "thirty-eight trillion, six hundred seventy billion, four hundred fifty-three million, seven hundred fifty-seven thousand, five hundred nine".