6249213541 has 4 divisors (see below), whose sum is σ = 6249691584. Its totient is φ = 6248735500.

The previous prime is 6249213527. The next prime is 6249213571. The reversal of 6249213541 is 1453129426.

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 a de Polignac number, because none of the positive numbers 2^k-6249213541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6249213541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249213571) 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, 218845 + ... + 245746.

It is an arithmetic number, because the mean of its divisors is an integer number (1562422896).

Almost surely, 2^6249213541 is an apocalyptic number.

It is an amenable number.

6249213541 is a deficient number, since it is larger than the sum of its proper divisors (478043).

6249213541 is a wasteful number, since it uses less digits than its factorization.

6249213541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478042.

The product of its digits is 51840, while the sum is 37.

The square root of 6249213541 is about 79051.9673442730. The cubic root of 6249213541 is about 1841.9384836865.

The spelling of 6249213541 in words is "six billion, two hundred forty-nine million, two hundred thirteen thousand, five hundred forty-one".