2529666942 has 16 divisors (see below), whose sum is σ = 5519273472. Its totient is φ = 766565720.

The previous prime is 2529666917. The next prime is 2529666943. The reversal of 2529666942 is 2496669252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529666943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19164078 + ... + 19164209.

It is an arithmetic number, because the mean of its divisors is an integer number (344954592).

Almost surely, 2^2529666942 is an apocalyptic number.

2529666942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2529666942 is an abundant number, since it is smaller than the sum of its proper divisors (2989606530).

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

2529666942 is a wasteful number, since it uses less digits than its factorization.

2529666942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328303.

The product of its digits is 2799360, while the sum is 51.

The square root of 2529666942 is about 50295.7944762780. The cubic root of 2529666942 is about 1362.5562760135.

The spelling of 2529666942 in words is "two billion, five hundred twenty-nine million, six hundred sixty-six thousand, nine hundred forty-two".