2555493362649 has 24 divisors (see below), whose sum is σ = 3827251771200. Its totient is φ = 1641168234720.

The previous prime is 2555493362621. The next prime is 2555493362717. The reversal of 2555493362649 is 9462633945552.

It is a happy number.

2555493362649 is a `hidden beast` number, since 2 + 5 + 55 + 493 + 36 + 2 + 64 + 9 = 666.

It is not a de Polignac number, because 2555493362649 - 2¹¹ = 2555493360601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555493360649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11037087 + ... + 11266244.

It is an arithmetic number, because the mean of its divisors is an integer number (159468823800).

Almost surely, 2^{2555493362649} is an apocalyptic number.

2555493362649 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2555493362649 is a deficient number, since it is larger than the sum of its proper divisors (1271758408551).

2555493362649 is a wasteful number, since it uses less digits than its factorization.

2555493362649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22303805 (or 22303802 counting only the distinct ones).

The product of its digits is 209952000, while the sum is 63.

The spelling of 2555493362649 in words is "two trillion, five hundred fifty-five billion, four hundred ninety-three million, three hundred sixty-two thousand, six hundred forty-nine".