2516129742 has 16 divisors (see below), whose sum is σ = 5751153792. Its totient is φ = 718894200.

The previous prime is 2516129741. The next prime is 2516129743. The reversal of 2516129742 is 2479216152.

It is an interprime number because it is at equal distance from previous prime (2516129741) and next prime (2516129743).

It is a self number, because there is not a number n which added to its sum of digits gives 2516129742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516129741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29953884 + ... + 29953967.

It is an arithmetic number, because the mean of its divisors is an integer number (359447112).

Almost surely, 2^2516129742 is an apocalyptic number.

2516129742 is an abundant number, since it is smaller than the sum of its proper divisors (3235024050).

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

2516129742 is a wasteful number, since it uses less digits than its factorization.

2516129742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59907863.

The product of its digits is 60480, while the sum is 39.

The square root of 2516129742 is about 50161.0380873442. The cubic root of 2516129742 is about 1360.1214103693.

The spelling of 2516129742 in words is "two billion, five hundred sixteen million, one hundred twenty-nine thousand, seven hundred forty-two".