6555957197465 has 8 divisors (see below), whose sum is σ = 8472313916808. Its totient is φ = 4841322238080.

The previous prime is 6555957197429. The next prime is 6555957197593. The reversal of 6555957197465 is 5647917595556.

It can be written as a sum of positive squares in 4 ways, for example, as 72481562176 + 6483475635289 = 269224^2 + 2546267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6555957197465 - 2²⁸ = 6555688762009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6555957197392 and 6555957197401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50430439916 + ... + 50430440045.

It is an arithmetic number, because the mean of its divisors is an integer number (1059039239601).

Almost surely, 2^{6555957197465} is an apocalyptic number.

6555957197465 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6555957197465 is a deficient number, since it is larger than the sum of its proper divisors (1916356719343).

6555957197465 is a wasteful number, since it uses less digits than its factorization.

6555957197465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100860879979.

The product of its digits is 1786050000, while the sum is 74.

The spelling of 6555957197465 in words is "six trillion, five hundred fifty-five billion, nine hundred fifty-seven million, one hundred ninety-seven thousand, four hundred sixty-five".