538401463 has 4 divisors (see below), whose sum is σ = 551533248. Its totient is φ = 525269680.

The previous prime is 538401427. The next prime is 538401469. The reversal of 538401463 is 364104835.

It is a happy number.

538401463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538401463 - 2²¹ = 536304311 is a prime.

It is a super-2 number, since 2×538401463² = 579752270721080738, which 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 (538401469) 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, 6565831 + ... + 6565912.

It is an arithmetic number, because the mean of its divisors is an integer number (137883312).

Almost surely, 2^538401463 is an apocalyptic number.

538401463 is a deficient number, since it is larger than the sum of its proper divisors (13131785).

538401463 is a wasteful number, since it uses less digits than its factorization.

538401463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13131784.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 538401463 is about 23203.4795451027. The cubic root of 538401463 is about 813.5209543010.

The spelling of 538401463 in words is "five hundred thirty-eight million, four hundred one thousand, four hundred sixty-three".