4155631463 has 4 divisors (see below), whose sum is σ = 4156791648. Its totient is φ = 4154471280.

The previous prime is 4155631433. The next prime is 4155631471. The reversal of 4155631463 is 3641365514.

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 4155631463 - 2⁶ = 4155631399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155631433) 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, 574703 + ... + 581888.

It is an arithmetic number, because the mean of its divisors is an integer number (1039197912).

Almost surely, 2^4155631463 is an apocalyptic number.

4155631463 is a deficient number, since it is larger than the sum of its proper divisors (1160185).

4155631463 is a wasteful number, since it uses less digits than its factorization.

4155631463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160184.

The product of its digits is 129600, while the sum is 38.

The square root of 4155631463 is about 64464.1874454336. The cubic root of 4155631463 is about 1607.7271354475.

Adding to 4155631463 its reverse (3641365514), we get a palindrome (7796996977).

The spelling of 4155631463 in words is "four billion, one hundred fifty-five million, six hundred thirty-one thousand, four hundred sixty-three".