6486261955 has 4 divisors (see below), whose sum is σ = 7783514352. Its totient is φ = 5189009560.

The previous prime is 6486261941. The next prime is 6486261961. The reversal of 6486261955 is 5591626846.

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

It is not a de Polignac number, because 6486261955 - 2¹¹ = 6486259907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648626191 + ... + 648626200.

It is an arithmetic number, because the mean of its divisors is an integer number (1945878588).

Almost surely, 2^6486261955 is an apocalyptic number.

6486261955 is a deficient number, since it is larger than the sum of its proper divisors (1297252397).

6486261955 is a wasteful number, since it uses less digits than its factorization.

6486261955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297252396.

The product of its digits is 3110400, while the sum is 52.

The square root of 6486261955 is about 80537.3326787025. The cubic root of 6486261955 is about 1864.9398457311.

The spelling of 6486261955 in words is "six billion, four hundred eighty-six million, two hundred sixty-one thousand, nine hundred fifty-five".