2870021029 has 16 divisors (see below), whose sum is σ = 3015652608. Its totient is φ = 2726203392.

The previous prime is 2870021027. The next prime is 2870021051. The reversal of 2870021029 is 9201200782.

It is a cyclic number.

It is not a de Polignac number, because 2870021029 - 2¹ = 2870021027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870021027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2878159 + ... + 2879155.

It is an arithmetic number, because the mean of its divisors is an integer number (188478288).

Almost surely, 2^2870021029 is an apocalyptic number.

It is an amenable number.

2870021029 is a deficient number, since it is larger than the sum of its proper divisors (145631579).

2870021029 is a wasteful number, since it uses less digits than its factorization.

2870021029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2870021029 is about 53572.5772107335. The cubic root of 2870021029 is about 1421.1121732304.

It can be divided in two parts, 28700 and 21029, that added together give a square (49729 = 223²).

The spelling of 2870021029 in words is "two billion, eight hundred seventy million, twenty-one thousand, twenty-nine".