38649982454 has 8 divisors (see below), whose sum is σ = 58417531128. Its totient is φ = 19177472080.

The previous prime is 38649982453. The next prime is 38649982463. The reversal of 38649982454 is 45428994683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38649982454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38649982453) 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, 73759247 + ... + 73759770.

It is an arithmetic number, because the mean of its divisors is an integer number (7302191391).

Almost surely, 2^38649982454 is an apocalyptic number.

38649982454 is a deficient number, since it is larger than the sum of its proper divisors (19767548674).

38649982454 is a wasteful number, since it uses less digits than its factorization.

38649982454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147519150.

The product of its digits is 59719680, while the sum is 62.

The spelling of 38649982454 in words is "thirty-eight billion, six hundred forty-nine million, nine hundred eighty-two thousand, four hundred fifty-four".