2147463861 has 4 divisors (see below), whose sum is σ = 2863285152. Its totient is φ = 1431642572.

The previous prime is 2147463767. The next prime is 2147463863. The reversal of 2147463861 is 1683647412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2147463861 - 2¹⁵ = 2147431093 is a prime.

It is a super-2 number, since 2×2147463861² = 9223202068602054642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147463863) 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, 357910641 + ... + 357910646.

It is an arithmetic number, because the mean of its divisors is an integer number (715821288).

Almost surely, 2^2147463861 is an apocalyptic number.

It is an amenable number.

2147463861 is a deficient number, since it is larger than the sum of its proper divisors (715821291).

2147463861 is an equidigital number, since it uses as much as digits as its factorization.

2147463861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715821290.

The product of its digits is 193536, while the sum is 42.

The square root of 2147463861 is about 46340.7365176688. The cubic root of 2147463861 is about 1290.1551925542.

The spelling of 2147463861 in words is "two billion, one hundred forty-seven million, four hundred sixty-three thousand, eight hundred sixty-one".