38307491269 has 4 divisors (see below), whose sum is σ = 40323675040. Its totient is φ = 36291307500.

The previous prime is 38307491251. The next prime is 38307491281. The reversal of 38307491269 is 96219470383.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96219470383 = 172981 ⋅556243.

It is a cyclic number.

It is not a de Polignac number, because 38307491269 - 2¹⁷ = 38307360197 is a prime.

It is a super-2 number, since 2×38307491269² (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 (38307491239) 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, 1008091857 + ... + 1008091894.

It is an arithmetic number, because the mean of its divisors is an integer number (10080918760).

Almost surely, 2^38307491269 is an apocalyptic number.

It is an amenable number.

38307491269 is a deficient number, since it is larger than the sum of its proper divisors (2016183771).

38307491269 is a wasteful number, since it uses less digits than its factorization.

38307491269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016183770.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 38307491269 in words is "thirty-eight billion, three hundred seven million, four hundred ninety-one thousand, two hundred sixty-nine".