7538686354 has 32 divisors (see below), whose sum is σ = 12218112000. Its totient is φ = 3477252240.

The previous prime is 7538686327. The next prime is 7538686409. The reversal of 7538686354 is 4536868357.

It is a junction number, because it is equal to n+sod(n) for n = 7538686295 and 7538686304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344809 + ... + 366019.

It is an arithmetic number, because the mean of its divisors is an integer number (381816000).

Almost surely, 2^7538686354 is an apocalyptic number.

7538686354 is a deficient number, since it is larger than the sum of its proper divisors (4679425646).

7538686354 is a wasteful number, since it uses less digits than its factorization.

7538686354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21478.

The product of its digits is 14515200, while the sum is 55.

The square root of 7538686354 is about 86825.6088605199. The cubic root of 7538686354 is about 1960.7936493310.

The spelling of 7538686354 in words is "seven billion, five hundred thirty-eight million, six hundred eighty-six thousand, three hundred fifty-four".