6269681136557 has 4 divisors (see below), whose sum is σ = 6331757187516. Its totient is φ = 6207605085600.

The previous prime is 6269681136473. The next prime is 6269681136571. The reversal of 6269681136557 is 7556311869626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6132031974436 + 137649162121 = 2476294^2 + 371011^2 .

It is a cyclic number.

It is not a de Polignac number, because 6269681136557 - 2³⁶ = 6200961659821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6269681136493 and 6269681136502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6269681136157) 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, 31038025328 + ... + 31038025529.

It is an arithmetic number, because the mean of its divisors is an integer number (1582939296879).

Almost surely, 2^{6269681136557} is an apocalyptic number.

It is an amenable number.

6269681136557 is a deficient number, since it is larger than the sum of its proper divisors (62076050959).

6269681136557 is a wasteful number, since it uses less digits than its factorization.

6269681136557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62076050958.

The product of its digits is 97977600, while the sum is 65.

The spelling of 6269681136557 in words is "six trillion, two hundred sixty-nine billion, six hundred eighty-one million, one hundred thirty-six thousand, five hundred fifty-seven".