5437381641 has 4 divisors (see below), whose sum is σ = 7249842192. Its totient is φ = 3624921092.

The previous prime is 5437381619. The next prime is 5437381661. The reversal of 5437381641 is 1461837345.

It is a happy number.

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 5437381641 - 2⁷ = 5437381513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5437381593 and 5437381602.

It is not an unprimeable number, because it can be changed into a prime (5437381661) 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, 906230271 + ... + 906230276.

It is an arithmetic number, because the mean of its divisors is an integer number (1812460548).

Almost surely, 2^5437381641 is an apocalyptic number.

It is an amenable number.

5437381641 is a deficient number, since it is larger than the sum of its proper divisors (1812460551).

5437381641 is a wasteful number, since it uses less digits than its factorization.

5437381641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812460550.

The product of its digits is 241920, while the sum is 42.

The square root of 5437381641 is about 73738.6034652135. The cubic root of 5437381641 is about 1758.4496549887.

The spelling of 5437381641 in words is "five billion, four hundred thirty-seven million, three hundred eighty-one thousand, six hundred forty-one".