6257158945844 has 6 divisors (see below), whose sum is σ = 10950028155234. Its totient is φ = 3128579472920.

The previous prime is 6257158945819. The next prime is 6257158945859. The reversal of 6257158945844 is 4485498517526.

It can be written as a sum of positive squares in only one way, i.e., 6255901392400 + 1257553444 = 2501180^2 + 35462^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782144868227 + ... + 782144868234.

It is an arithmetic number, because the mean of its divisors is an integer number (1825004692539).

Almost surely, 2^{6257158945844} is an apocalyptic number.

It is an amenable number.

6257158945844 is a deficient number, since it is larger than the sum of its proper divisors (4692869209390).

6257158945844 is a wasteful number, since it uses less digits than its factorization.

6257158945844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564289736465 (or 1564289736463 counting only the distinct ones).

The product of its digits is 387072000, while the sum is 68.

The spelling of 6257158945844 in words is "six trillion, two hundred fifty-seven billion, one hundred fifty-eight million, nine hundred forty-five thousand, eight hundred forty-four".