2029515728 has 10 divisors (see below), whose sum is σ = 3932186754. Its totient is φ = 1014757856.

The previous prime is 2029515727. The next prime is 2029515731. The reversal of 2029515728 is 8275159202.

It can be written as a sum of positive squares in only one way, i.e., 2020322704 + 9193024 = 44948^2 + 3032^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029515721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63422351 + ... + 63422382.

Almost surely, 2^2029515728 is an apocalyptic number.

It is an amenable number.

2029515728 is a deficient number, since it is larger than the sum of its proper divisors (1902671026).

2029515728 is a wasteful number, since it uses less digits than its factorization.

2029515728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126844741 (or 126844735 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 2029515728 is about 45050.1468144112. The cubic root of 2029515728 is about 1266.0887226133.

The spelling of 2029515728 in words is "two billion, twenty-nine million, five hundred fifteen thousand, seven hundred twenty-eight".