38225396729663 has 64 divisors (see below), whose sum is σ = 45441647032320. Its totient is φ = 31698763776000.

The previous prime is 38225396729561. The next prime is 38225396729671. The reversal of 38225396729663 is 36692769352283.

It is a cyclic number.

It is not a de Polignac number, because 38225396729663 - 2¹⁴ = 38225396713279 is a prime.

It is a super-2 number, since 2×38225396729663² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38225396729683) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4367115095 + ... + 4367123847.

It is an arithmetic number, because the mean of its divisors is an integer number (710025734880).

Almost surely, 2^{38225396729663} is an apocalyptic number.

38225396729663 is a deficient number, since it is larger than the sum of its proper divisors (7216250302657).

38225396729663 is a wasteful number, since it uses less digits than its factorization.

38225396729663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960.

The product of its digits is 1058158080, while the sum is 71.

The spelling of 38225396729663 in words is "thirty-eight trillion, two hundred twenty-five billion, three hundred ninety-six million, seven hundred twenty-nine thousand, six hundred sixty-three".