38620439540469 has 8 divisors (see below), whose sum is σ = 57215465985920. Its totient is φ = 25746959693628.

The previous prime is 38620439540461. The next prime is 38620439540477. The reversal of 38620439540469 is 96404593402683.

38620439540469 is a `hidden beast` number, since 3 + 8 + 6 + 2 + 0 + 43 + 9 + 540 + 46 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (38620439540461) and next prime (38620439540477).

It is not a de Polignac number, because 38620439540469 - 2³ = 38620439540461 is a prime.

It is a super-2 number, since 2×38620439540469² (a number of 28 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 (38620439540461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715193324797 + ... + 715193324850.

It is an arithmetic number, because the mean of its divisors is an integer number (7151933248240).

Almost surely, 2^{38620439540469} is an apocalyptic number.

It is an amenable number.

38620439540469 is a deficient number, since it is larger than the sum of its proper divisors (18595026445451).

38620439540469 is a wasteful number, since it uses less digits than its factorization.

38620439540469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430386649656 (or 1430386649650 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 63.

The spelling of 38620439540469 in words is "thirty-eight trillion, six hundred twenty billion, four hundred thirty-nine million, five hundred forty thousand, four hundred sixty-nine".