2651603203242 has 64 divisors (see below), whose sum is σ = 6744704117760. Its totient is φ = 756422617392.

The previous prime is 2651603203241. The next prime is 2651603203247. The reversal of 2651603203242 is 2423023061562.

2651603203242 is a `hidden beast` number, since 2 + 6 + 5 + 1 + 6 + 0 + 320 + 324 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2651603203197 and 2651603203206.

It is not an unprimeable number, because it can be changed into a prime (2651603203241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5211708 + ... + 5697815.

It is an arithmetic number, because the mean of its divisors is an integer number (105386001840).

Almost surely, 2^{2651603203242} is an apocalyptic number.

2651603203242 is an abundant number, since it is smaller than the sum of its proper divisors (4093100914518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2651603203242 is a wasteful number, since it uses less digits than its factorization.

2651603203242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910184 (or 10910178 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 2651603203242 in words is "two trillion, six hundred fifty-one billion, six hundred three million, two hundred three thousand, two hundred forty-two".