5721167541 has 4 divisors (see below), whose sum is σ = 7628223392. Its totient is φ = 3814111692.

The previous prime is 5721167533. The next prime is 5721167549. The reversal of 5721167541 is 1457611275.

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 an interprime number because it is at equal distance from previous prime (5721167533) and next prime (5721167549).

It is not a de Polignac number, because 5721167541 - 2³ = 5721167533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5721167541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721167549) 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, 953527921 + ... + 953527926.

It is an arithmetic number, because the mean of its divisors is an integer number (1907055848).

Almost surely, 2^5721167541 is an apocalyptic number.

It is an amenable number.

5721167541 is a deficient number, since it is larger than the sum of its proper divisors (1907055851).

5721167541 is a wasteful number, since it uses less digits than its factorization.

5721167541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907055850.

The product of its digits is 58800, while the sum is 39.

The square root of 5721167541 is about 75638.3999103630. The cubic root of 5721167541 is about 1788.5244793501.

The spelling of 5721167541 in words is "five billion, seven hundred twenty-one million, one hundred sixty-seven thousand, five hundred forty-one".