6157444541 has 4 divisors (see below), whose sum is σ = 6244169184. Its totient is φ = 6070719900.

The previous prime is 6157444529. The next prime is 6157444543. The reversal of 6157444541 is 1454447516.

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-6157444541 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 (6157444543) 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, 43362215 + ... + 43362356.

It is an arithmetic number, because the mean of its divisors is an integer number (1561042296).

Almost surely, 2^6157444541 is an apocalyptic number.

It is an amenable number.

6157444541 is a deficient number, since it is larger than the sum of its proper divisors (86724643).

6157444541 is an equidigital number, since it uses as much as digits as its factorization.

6157444541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86724642.

The product of its digits is 268800, while the sum is 41.

The square root of 6157444541 is about 78469.3860113611. The cubic root of 6157444541 is about 1832.8777659858.

The spelling of 6157444541 in words is "six billion, one hundred fifty-seven million, four hundred forty-four thousand, five hundred forty-one".