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3990002129 is a prime number
BaseRepresentation
bin1110110111010010…
…1001100111010001
3101022001220002221122
43231310221213101
531132420032004
61455531332025
7200606313161
oct35564514721
911261802848
103990002129
111768285723
129342b1015
134b7830b09
1429bcb05a1
1518544ccbe
hexedd299d1

3990002129 has 2 divisors, whose sum is σ = 3990002130. Its totient is φ = 3990002128.

The previous prime is 3990002117. The next prime is 3990002141. The reversal of 3990002129 is 9212000993.

It is a balanced prime because it is at equal distance from previous prime (3990002117) and next prime (3990002141).

It can be written as a sum of positive squares in only one way, i.e., 2815363600 + 1174638529 = 53060^2 + 34273^2 .

It is a cyclic number.

It is not a de Polignac number, because 3990002129 - 216 = 3989936593 is a prime.

It is not a weakly prime, because it can be changed into another prime (3990004129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995001064 + 1995001065.

It is an arithmetic number, because the mean of its divisors is an integer number (1995001065).

Almost surely, 23990002129 is an apocalyptic number.

It is an amenable number.

3990002129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990002129 is an equidigital number, since it uses as much as digits as its factorization.

3990002129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 3990002129 is about 63166.4636417142. The cubic root of 3990002129 is about 1586.0773959645.

The spelling of 3990002129 in words is "three billion, nine hundred ninety million, two thousand, one hundred twenty-nine".