2506530154739 has 8 divisors (see below), whose sum is σ = 2699464006512. Its totient is φ = 2313613994400.

The previous prime is 2506530154727. The next prime is 2506530154747. The reversal of 2506530154739 is 9374510356052.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2506530154739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506530154759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4127864 + ... + 4695989.

It is an arithmetic number, because the mean of its divisors is an integer number (337433000814).

Almost surely, 2^{2506530154739} is an apocalyptic number.

2506530154739 is a deficient number, since it is larger than the sum of its proper divisors (192933851773).

2506530154739 is a wasteful number, since it uses less digits than its factorization.

2506530154739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8845717.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 2506530154739 in words is "two trillion, five hundred six billion, five hundred thirty million, one hundred fifty-four thousand, seven hundred thirty-nine".