43214021461 has 12 divisors (see below), whose sum is σ = 46834676868. Its totient is φ = 39855089664.

The previous prime is 43214021453. The next prime is 43214021489. The reversal of 43214021461 is 16412041234.

It can be written as a sum of positive squares in 6 ways, for example, as 2043582436 + 41170439025 = 45206^2 + 202905^2 .

It is not a de Polignac number, because 43214021461 - 2³ = 43214021453 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 (43214021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83971 + ... + 305743.

It is an arithmetic number, because the mean of its divisors is an integer number (3902889739).

Almost surely, 2^43214021461 is an apocalyptic number.

It is an amenable number.

43214021461 is a deficient number, since it is larger than the sum of its proper divisors (3620655407).

43214021461 is a wasteful number, since it uses less digits than its factorization.

43214021461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222952 (or 222939 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 43214021461 its reverse (16412041234), we get a palindrome (59626062695).

The spelling of 43214021461 in words is "forty-three billion, two hundred fourteen million, twenty-one thousand, four hundred sixty-one".