3138621463 has 8 divisors (see below), whose sum is σ = 3217183200. Its totient is φ = 3060155520.

The previous prime is 3138621397. The next prime is 3138621491. The reversal of 3138621463 is 3641268313.

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

It is a cyclic number.

It is not a de Polignac number, because 3138621463 - 2⁹ = 3138620951 is a prime.

It is a super-4 number, since 4×3138621463⁴ (a number of 39 digits) contains 4444 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 (3138622463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44838 + ... + 91036.

It is an arithmetic number, because the mean of its divisors is an integer number (402147900).

Almost surely, 2^3138621463 is an apocalyptic number.

3138621463 is a deficient number, since it is larger than the sum of its proper divisors (78561737).

3138621463 is a wasteful number, since it uses less digits than its factorization.

3138621463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47897.

The product of its digits is 62208, while the sum is 37.

The square root of 3138621463 is about 56023.4010302838. The cubic root of 3138621463 is about 1464.1300247757.

Adding to 3138621463 its reverse (3641268313), we get a palindrome (6779889776).

The spelling of 3138621463 in words is "three billion, one hundred thirty-eight million, six hundred twenty-one thousand, four hundred sixty-three".